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Finding the Fourth Proportional to 325,849.78, 488,851.17 and 101,198.62

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Solution

The fourth proportional to 325,849.78, 488,851.17 and 101,198.62 is: 151,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,849.78 : 488,851.17 = 101,198.62 : x
  2. Step 2: Convert to fraction form
    325,849.78/488,851.17 = 101,198.62/x
  3. Step 3: Cross multiply
    325,849.78x = 488,851.17 × 101,198.62
  4. Step 4: Simplify right side
    325,849.78x = 49,471,063,789.39
  5. Step 5: Solve for x
    x = 49,471,063,789.39/325,849.78
  6. Step 6: Final answer
    x = 151,821.69

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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.