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Finding the Fourth Proportional to 83,793.44, 125,781.24 and 33,907.88

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Solution

The fourth proportional to 83,793.44, 125,781.24 and 33,907.88 is: 50,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,793.44 : 125,781.24 = 33,907.88 : x
  2. Step 2: Convert to fraction form
    83,793.44/125,781.24 = 33,907.88/x
  3. Step 3: Cross multiply
    83,793.44x = 125,781.24 × 33,907.88
  4. Step 4: Simplify right side
    83,793.44x = 4,264,975,192.17
  5. Step 5: Solve for x
    x = 4,264,975,192.17/83,793.44
  6. Step 6: Final answer
    x = 50,898.68

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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.