Question
Verify the following: $91 : 104 :: 119 : 136$

Answer

We have 91 : 104 :: 119 : 136
Product of means $= 104 \times 119 = 12376$
Product of extremes $= 91 \times 136 = 12376$
Product of means = Product of extremes
Hence $91 : 104 :: 119 : 136$ is verified.

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