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Finding the Fourth Proportional to 80,231.88, 120,367.26 and 24,071.88

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Solution

The fourth proportional to 80,231.88, 120,367.26 and 24,071.88 is: 36,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,231.88 : 120,367.26 = 24,071.88 : x
  2. Step 2: Convert to fraction form
    80,231.88/120,367.26 = 24,071.88/x
  3. Step 3: Cross multiply
    80,231.88x = 120,367.26 × 24,071.88
  4. Step 4: Simplify right side
    80,231.88x = 2,897,466,238.65
  5. Step 5: Solve for x
    x = 2,897,466,238.65/80,231.88
  6. Step 6: Final answer
    x = 36,113.65

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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.