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Finding the Fourth Proportional to 83,367.39, 124,894.20 and 41,198.40

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Solution

The fourth proportional to 83,367.39, 124,894.20 and 41,198.40 is: 61,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,367.39 : 124,894.20 = 41,198.40 : x
  2. Step 2: Convert to fraction form
    83,367.39/124,894.20 = 41,198.40/x
  3. Step 3: Cross multiply
    83,367.39x = 124,894.20 × 41,198.40
  4. Step 4: Simplify right side
    83,367.39x = 5,145,441,209.28
  5. Step 5: Solve for x
    x = 5,145,441,209.28/83,367.39
  6. Step 6: Final answer
    x = 61,720.07

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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.