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Finding the Fourth Proportional to 234,277.68, 323,301.78 and 126,845.42

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Solution

The fourth proportional to 234,277.68, 323,301.78 and 126,845.42 is: 175,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,277.68 : 323,301.78 = 126,845.42 : x
  2. Step 2: Convert to fraction form
    234,277.68/323,301.78 = 126,845.42/x
  3. Step 3: Cross multiply
    234,277.68x = 323,301.78 × 126,845.42
  4. Step 4: Simplify right side
    234,277.68x = 41,009,350,070.85
  5. Step 5: Solve for x
    x = 41,009,350,070.85/234,277.68
  6. Step 6: Final answer
    x = 175,045.91

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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.