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Finding the Fourth Proportional to 297,737.92, 446,651.52 and 87,351.04

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Solution

The fourth proportional to 297,737.92, 446,651.52 and 87,351.04 is: 131,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,737.92 : 446,651.52 = 87,351.04 : x
  2. Step 2: Convert to fraction form
    297,737.92/446,651.52 = 87,351.04/x
  3. Step 3: Cross multiply
    297,737.92x = 446,651.52 × 87,351.04
  4. Step 4: Simplify right side
    297,737.92x = 39,015,474,789.58
  5. Step 5: Solve for x
    x = 39,015,474,789.58/297,737.92
  6. Step 6: Final answer
    x = 131,039.66

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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.