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Finding the Fourth Proportional to 79,378.13, 119,067.19 and 23,974.13

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Solution

The fourth proportional to 79,378.13, 119,067.19 and 23,974.13 is: 35,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,378.13 : 119,067.19 = 23,974.13 : x
  2. Step 2: Convert to fraction form
    79,378.13/119,067.19 = 23,974.13/x
  3. Step 3: Cross multiply
    79,378.13x = 119,067.19 × 23,974.13
  4. Step 4: Simplify right side
    79,378.13x = 2,854,532,291.79
  5. Step 5: Solve for x
    x = 2,854,532,291.79/79,378.13
  6. Step 6: Final answer
    x = 35,961.19

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Double scale
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Similar ratio
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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.