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Finding the Fourth Proportional to 226,006.38, 339,064.38 and 68,225.40

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Solution

The fourth proportional to 226,006.38, 339,064.38 and 68,225.40 is: 102,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,006.38 : 339,064.38 = 68,225.40 : x
  2. Step 2: Convert to fraction form
    226,006.38/339,064.38 = 68,225.40/x
  3. Step 3: Cross multiply
    226,006.38x = 339,064.38 × 68,225.40
  4. Step 4: Simplify right side
    226,006.38x = 23,132,802,951.25
  5. Step 5: Solve for x
    x = 23,132,802,951.25/226,006.38
  6. Step 6: Final answer
    x = 102,354.65

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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.