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Finding the Fourth Proportional to 226,551.12, 339,843.96 and 68,792.64

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Solution

The fourth proportional to 226,551.12, 339,843.96 and 68,792.64 is: 103,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,551.12 : 339,843.96 = 68,792.64 : x
  2. Step 2: Convert to fraction form
    226,551.12/339,843.96 = 68,792.64/x
  3. Step 3: Cross multiply
    226,551.12x = 339,843.96 × 68,792.64
  4. Step 4: Simplify right side
    226,551.12x = 23,378,763,196.45
  5. Step 5: Solve for x
    x = 23,378,763,196.45/226,551.12
  6. Step 6: Final answer
    x = 103,194.21

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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.