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Finding the Fourth Proportional to 226,578.50, 339,845.67 and 68,808.32

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Solution

The fourth proportional to 226,578.50, 339,845.67 and 68,808.32 is: 103,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,578.50 : 339,845.67 = 68,808.32 : x
  2. Step 2: Convert to fraction form
    226,578.50/339,845.67 = 68,808.32/x
  3. Step 3: Cross multiply
    226,578.50x = 339,845.67 × 68,808.32
  4. Step 4: Simplify right side
    226,578.50x = 23,384,209,611.97
  5. Step 5: Solve for x
    x = 23,384,209,611.97/226,578.50
  6. Step 6: Final answer
    x = 103,205.77

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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.