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Finding the Fourth Proportional to 80,248.59, 120,379.37 and 24,084.81

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Solution

The fourth proportional to 80,248.59, 120,379.37 and 24,084.81 is: 36,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,248.59 : 120,379.37 = 24,084.81 : x
  2. Step 2: Convert to fraction form
    80,248.59/120,379.37 = 24,084.81/x
  3. Step 3: Cross multiply
    80,248.59x = 120,379.37 × 24,084.81
  4. Step 4: Simplify right side
    80,248.59x = 2,899,314,133.95
  5. Step 5: Solve for x
    x = 2,899,314,133.95/80,248.59
  6. Step 6: Final answer
    x = 36,129.16

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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.