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Finding the Fourth Proportional to 84,294.76, 126,404.70 and 44,843.56

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Solution

The fourth proportional to 84,294.76, 126,404.70 and 44,843.56 is: 67,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,294.76 : 126,404.70 = 44,843.56 : x
  2. Step 2: Convert to fraction form
    84,294.76/126,404.70 = 44,843.56/x
  3. Step 3: Cross multiply
    84,294.76x = 126,404.70 × 44,843.56
  4. Step 4: Simplify right side
    84,294.76x = 5,668,436,748.73
  5. Step 5: Solve for x
    x = 5,668,436,748.73/84,294.76
  6. Step 6: Final answer
    x = 67,245.42

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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.