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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

It should be 64. If we let x be the first term, y be the second term, and r be the common ratio (that number which we multiply to x to get y, and also the number we multiply to y to get 4, which is the third term), then we get

We also know that We now have a system of three equations, and three unknowns. Solving for r gives us Substituting this in the first equation for x gives

Which, when solved, gives Thus, since yr = 4, we can deduce that Finally, since xr = y, then xr = 16, and