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Finding the Fourth Proportional to 226,881.72, 340,354.17 and 100,512

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Solution

The fourth proportional to 226,881.72, 340,354.17 and 100,512 is: 150,781.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,881.72 : 340,354.17 = 100,512 : x
  2. Step 2: Convert to fraction form
    226,881.72/340,354.17 = 100,512/x
  3. Step 3: Cross multiply
    226,881.72x = 340,354.17 × 100,512
  4. Step 4: Simplify right side
    226,881.72x = 34,209,678,335.04
  5. Step 5: Solve for x
    x = 34,209,678,335.04/226,881.72
  6. Step 6: Final answer
    x = 150,781.99

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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.