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Finding the Fourth Proportional to 272,481.65, 408,722.51 and 82,952.92

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Solution

The fourth proportional to 272,481.65, 408,722.51 and 82,952.92 is: 124,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,481.65 : 408,722.51 = 82,952.92 : x
  2. Step 2: Convert to fraction form
    272,481.65/408,722.51 = 82,952.92/x
  3. Step 3: Cross multiply
    272,481.65x = 408,722.51 × 82,952.92
  4. Step 4: Simplify right side
    272,481.65x = 33,904,725,674.23
  5. Step 5: Solve for x
    x = 33,904,725,674.23/272,481.65
  6. Step 6: Final answer
    x = 124,429.39

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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.