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Finding the Fourth Proportional to 168,144.68, 252,253.92 and 49,825.28

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Solution

The fourth proportional to 168,144.68, 252,253.92 and 49,825.28 is: 74,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,144.68 : 252,253.92 = 49,825.28 : x
  2. Step 2: Convert to fraction form
    168,144.68/252,253.92 = 49,825.28/x
  3. Step 3: Cross multiply
    168,144.68x = 252,253.92 × 49,825.28
  4. Step 4: Simplify right side
    168,144.68x = 12,568,622,195.10
  5. Step 5: Solve for x
    x = 12,568,622,195.10/168,144.68
  6. Step 6: Final answer
    x = 74,748.85

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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.