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Finding the Fourth Proportional to 252,997.86, 379,440.89 and 73,044.20

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Solution

The fourth proportional to 252,997.86, 379,440.89 and 73,044.20 is: 109,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,997.86 : 379,440.89 = 73,044.20 : x
  2. Step 2: Convert to fraction form
    252,997.86/379,440.89 = 73,044.20/x
  3. Step 3: Cross multiply
    252,997.86x = 379,440.89 × 73,044.20
  4. Step 4: Simplify right side
    252,997.86x = 27,715,953,994.91
  5. Step 5: Solve for x
    x = 27,715,953,994.91/252,997.86
  6. Step 6: Final answer
    x = 109,550.15

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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.