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Finding the Fourth Proportional to 272,462.33, 408,752.32 and 82,937.52

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Solution

The fourth proportional to 272,462.33, 408,752.32 and 82,937.52 is: 124,424.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,462.33 : 408,752.32 = 82,937.52 : x
  2. Step 2: Convert to fraction form
    272,462.33/408,752.32 = 82,937.52/x
  3. Step 3: Cross multiply
    272,462.33x = 408,752.32 × 82,937.52
  4. Step 4: Simplify right side
    272,462.33x = 33,900,902,796.84
  5. Step 5: Solve for x
    x = 33,900,902,796.84/272,462.33
  6. Step 6: Final answer
    x = 124,424.18

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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.