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Finding the Fourth Proportional to 83,451.92, 125,197.57 and 27,291.81

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Solution

The fourth proportional to 83,451.92, 125,197.57 and 27,291.81 is: 40,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,451.92 : 125,197.57 = 27,291.81 : x
  2. Step 2: Convert to fraction form
    83,451.92/125,197.57 = 27,291.81/x
  3. Step 3: Cross multiply
    83,451.92x = 125,197.57 × 27,291.81
  4. Step 4: Simplify right side
    83,451.92x = 3,416,868,521.15
  5. Step 5: Solve for x
    x = 3,416,868,521.15/83,451.92
  6. Step 6: Final answer
    x = 40,944.16

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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.