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Finding the Fourth Proportional to 227,218.20, 340,827.30 and 67,299.90

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Solution

The fourth proportional to 227,218.20, 340,827.30 and 67,299.90 is: 100,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,218.20 : 340,827.30 = 67,299.90 : x
  2. Step 2: Convert to fraction form
    227,218.20/340,827.30 = 67,299.90/x
  3. Step 3: Cross multiply
    227,218.20x = 340,827.30 × 67,299.90
  4. Step 4: Simplify right side
    227,218.20x = 22,937,643,207.27
  5. Step 5: Solve for x
    x = 22,937,643,207.27/227,218.20
  6. Step 6: Final answer
    x = 100,949.85

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Similar ratio
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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.