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Finding the Fourth Proportional to 168,539, 252,850.10 and 50,209.88

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Solution

The fourth proportional to 168,539, 252,850.10 and 50,209.88 is: 75,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,539 : 252,850.10 = 50,209.88 : x
  2. Step 2: Convert to fraction form
    168,539/252,850.10 = 50,209.88/x
  3. Step 3: Cross multiply
    168,539x = 252,850.10 × 50,209.88
  4. Step 4: Simplify right side
    168,539x = 12,695,573,178.99
  5. Step 5: Solve for x
    x = 12,695,573,178.99/168,539
  6. Step 6: Final answer
    x = 75,327.21

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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.