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Finding the Fourth Proportional to 234,147.93, 351,006.61 and 84,351.59

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Solution

The fourth proportional to 234,147.93, 351,006.61 and 84,351.59 is: 126,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,147.93 : 351,006.61 = 84,351.59 : x
  2. Step 2: Convert to fraction form
    234,147.93/351,006.61 = 84,351.59/x
  3. Step 3: Cross multiply
    234,147.93x = 351,006.61 × 84,351.59
  4. Step 4: Simplify right side
    234,147.93x = 29,607,965,654.01
  5. Step 5: Solve for x
    x = 29,607,965,654.01/234,147.93
  6. Step 6: Final answer
    x = 126,449.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.