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Finding the Fourth Proportional to 104,115.39, 156,173.48 and 25,229.49

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Solution

The fourth proportional to 104,115.39, 156,173.48 and 25,229.49 is: 37,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,115.39 : 156,173.48 = 25,229.49 : x
  2. Step 2: Convert to fraction form
    104,115.39/156,173.48 = 25,229.49/x
  3. Step 3: Cross multiply
    104,115.39x = 156,173.48 × 25,229.49
  4. Step 4: Simplify right side
    104,115.39x = 3,940,177,251.93
  5. Step 5: Solve for x
    x = 3,940,177,251.93/104,115.39
  6. Step 6: Final answer
    x = 37,844.33

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Double scale
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1.5x scale

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.