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Finding the Fourth Proportional to 71,454.70, 98,602.68 and 39,622.42

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Solution

The fourth proportional to 71,454.70, 98,602.68 and 39,622.42 is: 54,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,454.70 : 98,602.68 = 39,622.42 : x
  2. Step 2: Convert to fraction form
    71,454.70/98,602.68 = 39,622.42/x
  3. Step 3: Cross multiply
    71,454.70x = 98,602.68 × 39,622.42
  4. Step 4: Simplify right side
    71,454.70x = 3,906,876,800.09
  5. Step 5: Solve for x
    x = 3,906,876,800.09/71,454.70
  6. Step 6: Final answer
    x = 54,676.27

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