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Finding the Fourth Proportional to 226,659.30, 339,974.37 and 68,889.12

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Solution

The fourth proportional to 226,659.30, 339,974.37 and 68,889.12 is: 103,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,659.30 : 339,974.37 = 68,889.12 : x
  2. Step 2: Convert to fraction form
    226,659.30/339,974.37 = 68,889.12/x
  3. Step 3: Cross multiply
    226,659.30x = 339,974.37 × 68,889.12
  4. Step 4: Simplify right side
    226,659.30x = 23,420,535,171.85
  5. Step 5: Solve for x
    x = 23,420,535,171.85/226,659.30
  6. Step 6: Final answer
    x = 103,329.25

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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.