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Finding the Fourth Proportional to 215,327.87, 297,149.56 and 119,834.54

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Solution

The fourth proportional to 215,327.87, 297,149.56 and 119,834.54 is: 165,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,327.87 : 297,149.56 = 119,834.54 : x
  2. Step 2: Convert to fraction form
    215,327.87/297,149.56 = 119,834.54/x
  3. Step 3: Cross multiply
    215,327.87x = 297,149.56 × 119,834.54
  4. Step 4: Simplify right side
    215,327.87x = 35,608,780,836.85
  5. Step 5: Solve for x
    x = 35,608,780,836.85/215,327.87
  6. Step 6: Final answer
    x = 165,370.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.