SOLUTION: 6 1/3, 19, 57

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Question 1072101: 6 1/3, 19, 57
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52794) About Me  (Show Source):
Answer by josgarithmetic(39618) About Me  (Show Source):
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Geometric progression, common ratio 3.

%286%261%2F3%29%2A3=19

19%2A3=57