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Finding the Fourth Proportional to 234,231.53, 323,239.14 and 126,801.53

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Solution

The fourth proportional to 234,231.53, 323,239.14 and 126,801.53 is: 174,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,231.53 : 323,239.14 = 126,801.53 : x
  2. Step 2: Convert to fraction form
    234,231.53/323,239.14 = 126,801.53/x
  3. Step 3: Cross multiply
    234,231.53x = 323,239.14 × 126,801.53
  4. Step 4: Simplify right side
    234,231.53x = 40,987,215,891.69
  5. Step 5: Solve for x
    x = 40,987,215,891.69/234,231.53
  6. Step 6: Final answer
    x = 174,985.91

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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.