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Finding the Fourth Proportional to 234,315.87, 351,456.26 and 84,556.15

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Solution

The fourth proportional to 234,315.87, 351,456.26 and 84,556.15 is: 126,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,315.87 : 351,456.26 = 84,556.15 : x
  2. Step 2: Convert to fraction form
    234,315.87/351,456.26 = 84,556.15/x
  3. Step 3: Cross multiply
    234,315.87x = 351,456.26 × 84,556.15
  4. Step 4: Simplify right side
    234,315.87x = 29,717,788,239.00
  5. Step 5: Solve for x
    x = 29,717,788,239.00/234,315.87
  6. Step 6: Final answer
    x = 126,827.90

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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.