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Finding the Fourth Proportional to 108,227.97, 149,354.16 and 60,481.31

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Solution

The fourth proportional to 108,227.97, 149,354.16 and 60,481.31 is: 83,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,227.97 : 149,354.16 = 60,481.31 : x
  2. Step 2: Convert to fraction form
    108,227.97/149,354.16 = 60,481.31/x
  3. Step 3: Cross multiply
    108,227.97x = 149,354.16 × 60,481.31
  4. Step 4: Simplify right side
    108,227.97x = 9,033,134,503.98
  5. Step 5: Solve for x
    x = 9,033,134,503.98/108,227.97
  6. Step 6: Final answer
    x = 83,463.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.