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Finding the Fourth Proportional to 83,070.88, 124,575.54 and 29,754.55

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Solution

The fourth proportional to 83,070.88, 124,575.54 and 29,754.55 is: 44,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,070.88 : 124,575.54 = 29,754.55 : x
  2. Step 2: Convert to fraction form
    83,070.88/124,575.54 = 29,754.55/x
  3. Step 3: Cross multiply
    83,070.88x = 124,575.54 × 29,754.55
  4. Step 4: Simplify right side
    83,070.88x = 3,706,689,177.85
  5. Step 5: Solve for x
    x = 3,706,689,177.85/83,070.88
  6. Step 6: Final answer
    x = 44,620.80

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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.