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Finding the Fourth Proportional to 123,655.56, 170,644.69 and 69,939.43

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Solution

The fourth proportional to 123,655.56, 170,644.69 and 69,939.43 is: 96,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,655.56 : 170,644.69 = 69,939.43 : x
  2. Step 2: Convert to fraction form
    123,655.56/170,644.69 = 69,939.43/x
  3. Step 3: Cross multiply
    123,655.56x = 170,644.69 × 69,939.43
  4. Step 4: Simplify right side
    123,655.56x = 11,934,792,351.13
  5. Step 5: Solve for x
    x = 11,934,792,351.13/123,655.56
  6. Step 6: Final answer
    x = 96,516.42

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