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Finding the Fourth Proportional to 84,335.68, 126,524.28 and 59,424.38

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Solution

The fourth proportional to 84,335.68, 126,524.28 and 59,424.38 is: 89,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,335.68 : 126,524.28 = 59,424.38 : x
  2. Step 2: Convert to fraction form
    84,335.68/126,524.28 = 59,424.38/x
  3. Step 3: Cross multiply
    84,335.68x = 126,524.28 × 59,424.38
  4. Step 4: Simplify right side
    84,335.68x = 7,518,626,893.95
  5. Step 5: Solve for x
    x = 7,518,626,893.95/84,335.68
  6. Step 6: Final answer
    x = 89,151.20

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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.