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Finding the Fourth Proportional to 250,780.38, 376,192.43 and 63,791.88

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Solution

The fourth proportional to 250,780.38, 376,192.43 and 63,791.88 is: 95,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,780.38 : 376,192.43 = 63,791.88 : x
  2. Step 2: Convert to fraction form
    250,780.38/376,192.43 = 63,791.88/x
  3. Step 3: Cross multiply
    250,780.38x = 376,192.43 × 63,791.88
  4. Step 4: Simplify right side
    250,780.38x = 23,998,022,351.47
  5. Step 5: Solve for x
    x = 23,998,022,351.47/250,780.38
  6. Step 6: Final answer
    x = 95,693.38

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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.