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Finding the Fourth Proportional to 226,769.40, 340,542.90 and 148,231.80

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Solution

The fourth proportional to 226,769.40, 340,542.90 and 148,231.80 is: 222,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,769.40 : 340,542.90 = 148,231.80 : x
  2. Step 2: Convert to fraction form
    226,769.40/340,542.90 = 148,231.80/x
  3. Step 3: Cross multiply
    226,769.40x = 340,542.90 × 148,231.80
  4. Step 4: Simplify right side
    226,769.40x = 50,479,287,044.22
  5. Step 5: Solve for x
    x = 50,479,287,044.22/226,769.40
  6. Step 6: Final answer
    x = 222,601.85

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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.