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Finding the Fourth Proportional to 234,388.54, 323,456.05 and 126,958.31

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Solution

The fourth proportional to 234,388.54, 323,456.05 and 126,958.31 is: 175,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,388.54 : 323,456.05 = 126,958.31 : x
  2. Step 2: Convert to fraction form
    234,388.54/323,456.05 = 126,958.31/x
  3. Step 3: Cross multiply
    234,388.54x = 323,456.05 × 126,958.31
  4. Step 4: Simplify right side
    234,388.54x = 41,065,433,467.28
  5. Step 5: Solve for x
    x = 41,065,433,467.28/234,388.54
  6. Step 6: Final answer
    x = 175,202.39

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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.