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Finding the Fourth Proportional to 168,559.90, 252,849.59 and 63,379.78

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Solution

The fourth proportional to 168,559.90, 252,849.59 and 63,379.78 is: 95,073.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,559.90 : 252,849.59 = 63,379.78 : x
  2. Step 2: Convert to fraction form
    168,559.90/252,849.59 = 63,379.78/x
  3. Step 3: Cross multiply
    168,559.90x = 252,849.59 × 63,379.78
  4. Step 4: Simplify right side
    168,559.90x = 16,025,551,387.29
  5. Step 5: Solve for x
    x = 16,025,551,387.29/168,559.90
  6. Step 6: Final answer
    x = 95,073.33

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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.