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Finding the Fourth Proportional to 68,193.20, 102,022.50 and 44,865.20

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Solution

The fourth proportional to 68,193.20, 102,022.50 and 44,865.20 is: 67,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,193.20 : 102,022.50 = 44,865.20 : x
  2. Step 2: Convert to fraction form
    68,193.20/102,022.50 = 44,865.20/x
  3. Step 3: Cross multiply
    68,193.20x = 102,022.50 × 44,865.20
  4. Step 4: Simplify right side
    68,193.20x = 4,577,259,867
  5. Step 5: Solve for x
    x = 4,577,259,867/68,193.20
  6. Step 6: Final answer
    x = 67,121.94

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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.