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Finding the Fourth Proportional to 168,115.68, 252,177.12 and 49,789.44

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Solution

The fourth proportional to 168,115.68, 252,177.12 and 49,789.44 is: 74,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,115.68 : 252,177.12 = 49,789.44 : x
  2. Step 2: Convert to fraction form
    168,115.68/252,177.12 = 49,789.44/x
  3. Step 3: Cross multiply
    168,115.68x = 252,177.12 × 49,789.44
  4. Step 4: Simplify right side
    168,115.68x = 12,555,757,585.61
  5. Step 5: Solve for x
    x = 12,555,757,585.61/168,115.68
  6. Step 6: Final answer
    x = 74,685.23

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1.5x scale

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.