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Finding the Fourth Proportional to 104,370.54, 156,358.98 and 80,882.16

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Solution

The fourth proportional to 104,370.54, 156,358.98 and 80,882.16 is: 121,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,370.54 : 156,358.98 = 80,882.16 : x
  2. Step 2: Convert to fraction form
    104,370.54/156,358.98 = 80,882.16/x
  3. Step 3: Cross multiply
    104,370.54x = 156,358.98 × 80,882.16
  4. Step 4: Simplify right side
    104,370.54x = 12,646,652,037.80
  5. Step 5: Solve for x
    x = 12,646,652,037.80/104,370.54
  6. Step 6: Final answer
    x = 121,170.71

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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.