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Finding the Fourth Proportional to 234,423.60, 323,505.42 and 126,993.38

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Solution

The fourth proportional to 234,423.60, 323,505.42 and 126,993.38 is: 175,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,423.60 : 323,505.42 = 126,993.38 : x
  2. Step 2: Convert to fraction form
    234,423.60/323,505.42 = 126,993.38/x
  3. Step 3: Cross multiply
    234,423.60x = 323,505.42 × 126,993.38
  4. Step 4: Simplify right side
    234,423.60x = 41,083,046,734.12
  5. Step 5: Solve for x
    x = 41,083,046,734.12/234,423.60
  6. Step 6: Final answer
    x = 175,251.33

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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.