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Finding the Fourth Proportional to 137,819.70, 206,729.55 and 44,334.90

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Solution

The fourth proportional to 137,819.70, 206,729.55 and 44,334.90 is: 66,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,819.70 : 206,729.55 = 44,334.90 : x
  2. Step 2: Convert to fraction form
    137,819.70/206,729.55 = 44,334.90/x
  3. Step 3: Cross multiply
    137,819.70x = 206,729.55 × 44,334.90
  4. Step 4: Simplify right side
    137,819.70x = 9,165,333,926.30
  5. Step 5: Solve for x
    x = 9,165,333,926.30/137,819.70
  6. Step 6: Final answer
    x = 66,502.35

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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.