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Finding the Fourth Proportional to 231,414.34, 347,129.15 and 79,609.90

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Solution

The fourth proportional to 231,414.34, 347,129.15 and 79,609.90 is: 119,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,414.34 : 347,129.15 = 79,609.90 : x
  2. Step 2: Convert to fraction form
    231,414.34/347,129.15 = 79,609.90/x
  3. Step 3: Cross multiply
    231,414.34x = 347,129.15 × 79,609.90
  4. Step 4: Simplify right side
    231,414.34x = 27,634,916,918.59
  5. Step 5: Solve for x
    x = 27,634,916,918.59/231,414.34
  6. Step 6: Final answer
    x = 119,417.48

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