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Finding the Fourth Proportional to 85,198.86, 127,797.57 and 22,013.55

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Solution

The fourth proportional to 85,198.86, 127,797.57 and 22,013.55 is: 33,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,198.86 : 127,797.57 = 22,013.55 : x
  2. Step 2: Convert to fraction form
    85,198.86/127,797.57 = 22,013.55/x
  3. Step 3: Cross multiply
    85,198.86x = 127,797.57 × 22,013.55
  4. Step 4: Simplify right side
    85,198.86x = 2,813,278,197.07
  5. Step 5: Solve for x
    x = 2,813,278,197.07/85,198.86
  6. Step 6: Final answer
    x = 33,020.14

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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.