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Finding the Fourth Proportional to 168,338.43, 252,464.43 and 49,982.31

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Solution

The fourth proportional to 168,338.43, 252,464.43 and 49,982.31 is: 74,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,338.43 : 252,464.43 = 49,982.31 : x
  2. Step 2: Convert to fraction form
    168,338.43/252,464.43 = 49,982.31/x
  3. Step 3: Cross multiply
    168,338.43x = 252,464.43 × 49,982.31
  4. Step 4: Simplify right side
    168,338.43x = 12,618,755,404.23
  5. Step 5: Solve for x
    x = 12,618,755,404.23/168,338.43
  6. Step 6: Final answer
    x = 74,960.63

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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.