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Finding the Fourth Proportional to 234,230.80, 323,238.61 and 126,800.83

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Solution

The fourth proportional to 234,230.80, 323,238.61 and 126,800.83 is: 174,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,230.80 : 323,238.61 = 126,800.83 : x
  2. Step 2: Convert to fraction form
    234,230.80/323,238.61 = 126,800.83/x
  3. Step 3: Cross multiply
    234,230.80x = 323,238.61 × 126,800.83
  4. Step 4: Simplify right side
    234,230.80x = 40,986,923,402.04
  5. Step 5: Solve for x
    x = 40,986,923,402.04/234,230.80
  6. Step 6: Final answer
    x = 174,985.20

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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.