If ` (a^(3)+2ab^(2))/(2a^(2)b+b^(3)) = (123)/(136)` , then find the value of ` a : b `.

If ` (a^(3)+2ab^(2))/(2a^(2)b+b^(3)) = (123)/(136)` , then find the value of ` a : b `.
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If ` (a^(3)+2ab^(2))/(2a^(2)b+b^(3)) = (123)/(136)` , then find the value of ` a : b `.
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