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Finding the Fourth Proportional to 226,443.80, 339,643.83 and 68,673.62

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Solution

The fourth proportional to 226,443.80, 339,643.83 and 68,673.62 is: 103,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,443.80 : 339,643.83 = 68,673.62 : x
  2. Step 2: Convert to fraction form
    226,443.80/339,643.83 = 68,673.62/x
  3. Step 3: Cross multiply
    226,443.80x = 339,643.83 × 68,673.62
  4. Step 4: Simplify right side
    226,443.80x = 23,324,572,423.40
  5. Step 5: Solve for x
    x = 23,324,572,423.40/226,443.80
  6. Step 6: Final answer
    x = 103,003.80

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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.