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Finding the Fourth Proportional to 234,247.65, 323,264.01 and 126,819.98

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Solution

The fourth proportional to 234,247.65, 323,264.01 and 126,819.98 is: 175,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,247.65 : 323,264.01 = 126,819.98 : x
  2. Step 2: Convert to fraction form
    234,247.65/323,264.01 = 126,819.98/x
  3. Step 3: Cross multiply
    234,247.65x = 323,264.01 × 126,819.98
  4. Step 4: Simplify right side
    234,247.65x = 40,996,335,354.41
  5. Step 5: Solve for x
    x = 40,996,335,354.41/234,247.65
  6. Step 6: Final answer
    x = 175,012.80

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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.