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Finding the Fourth Proportional to 227,508.91, 313,962.29 and 126,906.91

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Solution

The fourth proportional to 227,508.91, 313,962.29 and 126,906.91 is: 175,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,508.91 : 313,962.29 = 126,906.91 : x
  2. Step 2: Convert to fraction form
    227,508.91/313,962.29 = 126,906.91/x
  3. Step 3: Cross multiply
    227,508.91x = 313,962.29 × 126,906.91
  4. Step 4: Simplify right side
    227,508.91x = 39,843,984,080.42
  5. Step 5: Solve for x
    x = 39,843,984,080.42/227,508.91
  6. Step 6: Final answer
    x = 175,131.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.