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Finding the Fourth Proportional to 83,178.50, 114,789.18 and 45,455.18

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Solution

The fourth proportional to 83,178.50, 114,789.18 and 45,455.18 is: 62,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178.50 : 114,789.18 = 45,455.18 : x
  2. Step 2: Convert to fraction form
    83,178.50/114,789.18 = 45,455.18/x
  3. Step 3: Cross multiply
    83,178.50x = 114,789.18 × 45,455.18
  4. Step 4: Simplify right side
    83,178.50x = 5,217,762,838.95
  5. Step 5: Solve for x
    x = 5,217,762,838.95/83,178.50
  6. Step 6: Final answer
    x = 62,729.71

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