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Finding the Fourth Proportional to 80,371.74, 120,577.59 and 24,210.57

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Solution

The fourth proportional to 80,371.74, 120,577.59 and 24,210.57 is: 36,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,371.74 : 120,577.59 = 24,210.57 : x
  2. Step 2: Convert to fraction form
    80,371.74/120,577.59 = 24,210.57/x
  3. Step 3: Cross multiply
    80,371.74x = 120,577.59 × 24,210.57
  4. Step 4: Simplify right side
    80,371.74x = 2,919,252,183.13
  5. Step 5: Solve for x
    x = 2,919,252,183.13/80,371.74
  6. Step 6: Final answer
    x = 36,321.87

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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.