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Finding the Fourth Proportional to 107,540.87, 161,311.30 and 44,396.71

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Solution

The fourth proportional to 107,540.87, 161,311.30 and 44,396.71 is: 66,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,540.87 : 161,311.30 = 44,396.71 : x
  2. Step 2: Convert to fraction form
    107,540.87/161,311.30 = 44,396.71/x
  3. Step 3: Cross multiply
    107,540.87x = 161,311.30 × 44,396.71
  4. Step 4: Simplify right side
    107,540.87x = 7,161,690,491.55
  5. Step 5: Solve for x
    x = 7,161,690,491.55/107,540.87
  6. Step 6: Final answer
    x = 66,595.06

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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.