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Finding the Fourth Proportional to 227,062.20, 340,301.70 and 108,478.20

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Solution

The fourth proportional to 227,062.20, 340,301.70 and 108,478.20 is: 162,577.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,062.20 : 340,301.70 = 108,478.20 : x
  2. Step 2: Convert to fraction form
    227,062.20/340,301.70 = 108,478.20/x
  3. Step 3: Cross multiply
    227,062.20x = 340,301.70 × 108,478.20
  4. Step 4: Simplify right side
    227,062.20x = 36,915,315,872.94
  5. Step 5: Solve for x
    x = 36,915,315,872.94/227,062.20
  6. Step 6: Final answer
    x = 162,577.99

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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.