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Finding the Fourth Proportional to 226,364.88, 339,579.92 and 68,605.64

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Solution

The fourth proportional to 226,364.88, 339,579.92 and 68,605.64 is: 102,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,364.88 : 339,579.92 = 68,605.64 : x
  2. Step 2: Convert to fraction form
    226,364.88/339,579.92 = 68,605.64/x
  3. Step 3: Cross multiply
    226,364.88x = 339,579.92 × 68,605.64
  4. Step 4: Simplify right side
    226,364.88x = 23,297,096,216.36
  5. Step 5: Solve for x
    x = 23,297,096,216.36/226,364.88
  6. Step 6: Final answer
    x = 102,918.33

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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.