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Finding the Fourth Proportional to 226,656.60, 339,984.90 and 68,864.55

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Solution

The fourth proportional to 226,656.60, 339,984.90 and 68,864.55 is: 103,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,656.60 : 339,984.90 = 68,864.55 : x
  2. Step 2: Convert to fraction form
    226,656.60/339,984.90 = 68,864.55/x
  3. Step 3: Cross multiply
    226,656.60x = 339,984.90 × 68,864.55
  4. Step 4: Simplify right side
    226,656.60x = 23,412,907,145.30
  5. Step 5: Solve for x
    x = 23,412,907,145.30/226,656.60
  6. Step 6: Final answer
    x = 103,296.83

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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.