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Finding the Fourth Proportional to 252,842.88, 379,278.90 and 95,072.70

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Solution

The fourth proportional to 252,842.88, 379,278.90 and 95,072.70 is: 142,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,842.88 : 379,278.90 = 95,072.70 : x
  2. Step 2: Convert to fraction form
    252,842.88/379,278.90 = 95,072.70/x
  3. Step 3: Cross multiply
    252,842.88x = 379,278.90 × 95,072.70
  4. Step 4: Simplify right side
    252,842.88x = 36,059,069,076.03
  5. Step 5: Solve for x
    x = 36,059,069,076.03/252,842.88
  6. Step 6: Final answer
    x = 142,614.53

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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.