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Finding the Fourth Proportional to 168,314.38, 252,253.42 and 68,358.47

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Solution

The fourth proportional to 168,314.38, 252,253.42 and 68,358.47 is: 102,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,314.38 : 252,253.42 = 68,358.47 : x
  2. Step 2: Convert to fraction form
    168,314.38/252,253.42 = 68,358.47/x
  3. Step 3: Cross multiply
    168,314.38x = 252,253.42 × 68,358.47
  4. Step 4: Simplify right side
    168,314.38x = 17,243,656,411.30
  5. Step 5: Solve for x
    x = 17,243,656,411.30/168,314.38
  6. Step 6: Final answer
    x = 102,449.10

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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.