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Finding the Fourth Proportional to 80,605.30, 120,925.38 and 24,449.69

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Solution

The fourth proportional to 80,605.30, 120,925.38 and 24,449.69 is: 36,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,605.30 : 120,925.38 = 24,449.69 : x
  2. Step 2: Convert to fraction form
    80,605.30/120,925.38 = 24,449.69/x
  3. Step 3: Cross multiply
    80,605.30x = 120,925.38 × 24,449.69
  4. Step 4: Simplify right side
    80,605.30x = 2,956,588,294.34
  5. Step 5: Solve for x
    x = 2,956,588,294.34/80,605.30
  6. Step 6: Final answer
    x = 36,679.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.