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Finding the Fourth Proportional to 252,568.38, 378,860.76 and 132,595.02

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Solution

The fourth proportional to 252,568.38, 378,860.76 and 132,595.02 is: 198,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,568.38 : 378,860.76 = 132,595.02 : x
  2. Step 2: Convert to fraction form
    252,568.38/378,860.76 = 132,595.02/x
  3. Step 3: Cross multiply
    252,568.38x = 378,860.76 × 132,595.02
  4. Step 4: Simplify right side
    252,568.38x = 50,235,050,049.42
  5. Step 5: Solve for x
    x = 50,235,050,049.42/252,568.38
  6. Step 6: Final answer
    x = 198,896.83

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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.