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Finding the Fourth Proportional to 108,233.73, 149,363.09 and 60,487.87

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Solution

The fourth proportional to 108,233.73, 149,363.09 and 60,487.87 is: 83,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,233.73 : 149,363.09 = 60,487.87 : x
  2. Step 2: Convert to fraction form
    108,233.73/149,363.09 = 60,487.87/x
  3. Step 3: Cross multiply
    108,233.73x = 149,363.09 × 60,487.87
  4. Step 4: Simplify right side
    108,233.73x = 9,034,655,170.72
  5. Step 5: Solve for x
    x = 9,034,655,170.72/108,233.73
  6. Step 6: Final answer
    x = 83,473.56

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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.