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Finding the Fourth Proportional to 71,092.11, 106,647.89 and 31,648.35

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Solution

The fourth proportional to 71,092.11, 106,647.89 and 31,648.35 is: 47,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,092.11 : 106,647.89 = 31,648.35 : x
  2. Step 2: Convert to fraction form
    71,092.11/106,647.89 = 31,648.35/x
  3. Step 3: Cross multiply
    71,092.11x = 106,647.89 × 31,648.35
  4. Step 4: Simplify right side
    71,092.11x = 3,375,229,591.24
  5. Step 5: Solve for x
    x = 3,375,229,591.24/71,092.11
  6. Step 6: Final answer
    x = 47,476.85

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