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Finding the Fourth Proportional to 168,086.44, 252,179.04 and 49,760.86

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Solution

The fourth proportional to 168,086.44, 252,179.04 and 49,760.86 is: 74,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,086.44 : 252,179.04 = 49,760.86 : x
  2. Step 2: Convert to fraction form
    168,086.44/252,179.04 = 49,760.86/x
  3. Step 3: Cross multiply
    168,086.44x = 252,179.04 × 49,760.86
  4. Step 4: Simplify right side
    168,086.44x = 12,548,645,273.93
  5. Step 5: Solve for x
    x = 12,548,645,273.93/168,086.44
  6. Step 6: Final answer
    x = 74,655.90

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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.