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Finding the Fourth Proportional to 73,132.80, 109,650.24 and 33,636.48

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Solution

The fourth proportional to 73,132.80, 109,650.24 and 33,636.48 is: 50,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,132.80 : 109,650.24 = 33,636.48 : x
  2. Step 2: Convert to fraction form
    73,132.80/109,650.24 = 33,636.48/x
  3. Step 3: Cross multiply
    73,132.80x = 109,650.24 × 33,636.48
  4. Step 4: Simplify right side
    73,132.80x = 3,688,248,104.76
  5. Step 5: Solve for x
    x = 3,688,248,104.76/73,132.80
  6. Step 6: Final answer
    x = 50,432.20

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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.