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Finding the Fourth Proportional to 123,034.50, 169,739.01 and 77,695.56

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Solution

The fourth proportional to 123,034.50, 169,739.01 and 77,695.56 is: 107,189.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,034.50 : 169,739.01 = 77,695.56 : x
  2. Step 2: Convert to fraction form
    123,034.50/169,739.01 = 77,695.56/x
  3. Step 3: Cross multiply
    123,034.50x = 169,739.01 × 77,695.56
  4. Step 4: Simplify right side
    123,034.50x = 13,187,967,435.80
  5. Step 5: Solve for x
    x = 13,187,967,435.80/123,034.50
  6. Step 6: Final answer
    x = 107,189.18

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