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Finding the Fourth Proportional to 74,255.76, 111,388.92 and 29,882.76

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Solution

The fourth proportional to 74,255.76, 111,388.92 and 29,882.76 is: 44,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,255.76 : 111,388.92 = 29,882.76 : x
  2. Step 2: Convert to fraction form
    74,255.76/111,388.92 = 29,882.76/x
  3. Step 3: Cross multiply
    74,255.76x = 111,388.92 × 29,882.76
  4. Step 4: Simplify right side
    74,255.76x = 3,328,608,363.02
  5. Step 5: Solve for x
    x = 3,328,608,363.02/74,255.76
  6. Step 6: Final answer
    x = 44,826.26

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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.