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Finding the Fourth Proportional to 72,252.38, 108,388.92 and 22,336.82

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Solution

The fourth proportional to 72,252.38, 108,388.92 and 22,336.82 is: 33,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,252.38 : 108,388.92 = 22,336.82 : x
  2. Step 2: Convert to fraction form
    72,252.38/108,388.92 = 22,336.82/x
  3. Step 3: Cross multiply
    72,252.38x = 108,388.92 × 22,336.82
  4. Step 4: Simplify right side
    72,252.38x = 2,421,063,796.03
  5. Step 5: Solve for x
    x = 2,421,063,796.03/72,252.38
  6. Step 6: Final answer
    x = 33,508.43

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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.