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Finding the Fourth Proportional to 226,299.71, 339,465.96 and 68,540.46

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Solution

The fourth proportional to 226,299.71, 339,465.96 and 68,540.46 is: 102,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,299.71 : 339,465.96 = 68,540.46 : x
  2. Step 2: Convert to fraction form
    226,299.71/339,465.96 = 68,540.46/x
  3. Step 3: Cross multiply
    226,299.71x = 339,465.96 × 68,540.46
  4. Step 4: Simplify right side
    226,299.71x = 23,267,153,052.74
  5. Step 5: Solve for x
    x = 23,267,153,052.74/226,299.71
  6. Step 6: Final answer
    x = 102,815.66

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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.