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Finding the Fourth Proportional to 168,001.10, 252,001.65 and 101,645.90

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Solution

The fourth proportional to 168,001.10, 252,001.65 and 101,645.90 is: 152,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,001.10 : 252,001.65 = 101,645.90 : x
  2. Step 2: Convert to fraction form
    168,001.10/252,001.65 = 101,645.90/x
  3. Step 3: Cross multiply
    168,001.10x = 252,001.65 × 101,645.90
  4. Step 4: Simplify right side
    168,001.10x = 25,614,934,515.74
  5. Step 5: Solve for x
    x = 25,614,934,515.74/168,001.10
  6. Step 6: Final answer
    x = 152,468.85

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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.