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Finding the Fourth Proportional to 83,363.15, 125,055 and 27,188.24

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Solution

The fourth proportional to 83,363.15, 125,055 and 27,188.24 is: 40,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,363.15 : 125,055 = 27,188.24 : x
  2. Step 2: Convert to fraction form
    83,363.15/125,055 = 27,188.24/x
  3. Step 3: Cross multiply
    83,363.15x = 125,055 × 27,188.24
  4. Step 4: Simplify right side
    83,363.15x = 3,400,024,727.93
  5. Step 5: Solve for x
    x = 3,400,024,727.93/83,363.15
  6. Step 6: Final answer
    x = 40,785.71

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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.