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Finding the Fourth Proportional to 168,534, 252,842.58 and 50,204.88

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Solution

The fourth proportional to 168,534, 252,842.58 and 50,204.88 is: 75,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,534 : 252,842.58 = 50,204.88 : x
  2. Step 2: Convert to fraction form
    168,534/252,842.58 = 50,204.88/x
  3. Step 3: Cross multiply
    168,534x = 252,842.58 × 50,204.88
  4. Step 4: Simplify right side
    168,534x = 12,693,931,387.79
  5. Step 5: Solve for x
    x = 12,693,931,387.79/168,534
  6. Step 6: Final answer
    x = 75,319.71

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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.