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Finding the Fourth Proportional to 226,199.20, 339,687.60 and 160,103.20

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Solution

The fourth proportional to 226,199.20, 339,687.60 and 160,103.20 is: 240,429.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,199.20 : 339,687.60 = 160,103.20 : x
  2. Step 2: Convert to fraction form
    226,199.20/339,687.60 = 160,103.20/x
  3. Step 3: Cross multiply
    226,199.20x = 339,687.60 × 160,103.20
  4. Step 4: Simplify right side
    226,199.20x = 54,385,071,760.32
  5. Step 5: Solve for x
    x = 54,385,071,760.32/226,199.20
  6. Step 6: Final answer
    x = 240,429.99

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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.