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Finding the Fourth Proportional to 226,687.60, 339,739.80 and 137,846.80

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Solution

The fourth proportional to 226,687.60, 339,739.80 and 137,846.80 is: 206,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,687.60 : 339,739.80 = 137,846.80 : x
  2. Step 2: Convert to fraction form
    226,687.60/339,739.80 = 137,846.80/x
  3. Step 3: Cross multiply
    226,687.60x = 339,739.80 × 137,846.80
  4. Step 4: Simplify right side
    226,687.60x = 46,832,044,262.64
  5. Step 5: Solve for x
    x = 46,832,044,262.64/226,687.60
  6. Step 6: Final answer
    x = 206,592.88

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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.