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Finding the Fourth Proportional to 234,388.56, 323,455.62 and 126,958.86

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Solution

The fourth proportional to 234,388.56, 323,455.62 and 126,958.86 is: 175,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,388.56 : 323,455.62 = 126,958.86 : x
  2. Step 2: Convert to fraction form
    234,388.56/323,455.62 = 126,958.86/x
  3. Step 3: Cross multiply
    234,388.56x = 323,455.62 × 126,958.86
  4. Step 4: Simplify right side
    234,388.56x = 41,065,556,775.79
  5. Step 5: Solve for x
    x = 41,065,556,775.79/234,388.56
  6. Step 6: Final answer
    x = 175,202.91

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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.