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Finding the Fourth Proportional to 80,504.70, 120,717.78 and 24,333.96

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Solution

The fourth proportional to 80,504.70, 120,717.78 and 24,333.96 is: 36,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,504.70 : 120,717.78 = 24,333.96 : x
  2. Step 2: Convert to fraction form
    80,504.70/120,717.78 = 24,333.96/x
  3. Step 3: Cross multiply
    80,504.70x = 120,717.78 × 24,333.96
  4. Step 4: Simplify right side
    80,504.70x = 2,937,541,629.81
  5. Step 5: Solve for x
    x = 2,937,541,629.81/80,504.70
  6. Step 6: Final answer
    x = 36,489.07

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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.