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Finding the Fourth Proportional to 252,821.56, 379,342.92 and 119,796.88

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Solution

The fourth proportional to 252,821.56, 379,342.92 and 119,796.88 is: 179,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,821.56 : 379,342.92 = 119,796.88 : x
  2. Step 2: Convert to fraction form
    252,821.56/379,342.92 = 119,796.88/x
  3. Step 3: Cross multiply
    252,821.56x = 379,342.92 × 119,796.88
  4. Step 4: Simplify right side
    252,821.56x = 45,444,098,266.09
  5. Step 5: Solve for x
    x = 45,444,098,266.09/252,821.56
  6. Step 6: Final answer
    x = 179,747.72

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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.