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Finding the Fourth Proportional to 83,375.68, 115,061.34 and 45,650.20

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Solution

The fourth proportional to 83,375.68, 115,061.34 and 45,650.20 is: 62,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,375.68 : 115,061.34 = 45,650.20 : x
  2. Step 2: Convert to fraction form
    83,375.68/115,061.34 = 45,650.20/x
  3. Step 3: Cross multiply
    83,375.68x = 115,061.34 × 45,650.20
  4. Step 4: Simplify right side
    83,375.68x = 5,252,573,183.27
  5. Step 5: Solve for x
    x = 5,252,573,183.27/83,375.68
  6. Step 6: Final answer
    x = 62,998.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.