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Finding the Fourth Proportional to 83,951.66, 115,849.55 and 45,711.20

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Solution

The fourth proportional to 83,951.66, 115,849.55 and 45,711.20 is: 63,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,951.66 : 115,849.55 = 45,711.20 : x
  2. Step 2: Convert to fraction form
    83,951.66/115,849.55 = 45,711.20/x
  3. Step 3: Cross multiply
    83,951.66x = 115,849.55 × 45,711.20
  4. Step 4: Simplify right side
    83,951.66x = 5,295,622,353.86
  5. Step 5: Solve for x
    x = 5,295,622,353.86/83,951.66
  6. Step 6: Final answer
    x = 63,079.42

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