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Finding the Fourth Proportional to 83,102.88, 124,654.76 and 23,939.97

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Solution

The fourth proportional to 83,102.88, 124,654.76 and 23,939.97 is: 35,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,102.88 : 124,654.76 = 23,939.97 : x
  2. Step 2: Convert to fraction form
    83,102.88/124,654.76 = 23,939.97/x
  3. Step 3: Cross multiply
    83,102.88x = 124,654.76 × 23,939.97
  4. Step 4: Simplify right side
    83,102.88x = 2,984,231,214.76
  5. Step 5: Solve for x
    x = 2,984,231,214.76/83,102.88
  6. Step 6: Final answer
    x = 35,910.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.