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Finding the Fourth Proportional to 168,282.27, 252,207.42 and 73,486.76

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Solution

The fourth proportional to 168,282.27, 252,207.42 and 73,486.76 is: 110,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,282.27 : 252,207.42 = 73,486.76 : x
  2. Step 2: Convert to fraction form
    168,282.27/252,207.42 = 73,486.76/x
  3. Step 3: Cross multiply
    168,282.27x = 252,207.42 × 73,486.76
  4. Step 4: Simplify right side
    168,282.27x = 18,533,904,882.72
  5. Step 5: Solve for x
    x = 18,533,904,882.72/168,282.27
  6. Step 6: Final answer
    x = 110,135.81

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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.