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Finding the Fourth Proportional to 226,583.56, 339,853.32 and 68,813.40

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Solution

The fourth proportional to 226,583.56, 339,853.32 and 68,813.40 is: 103,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,583.56 : 339,853.32 = 68,813.40 : x
  2. Step 2: Convert to fraction form
    226,583.56/339,853.32 = 68,813.40/x
  3. Step 3: Cross multiply
    226,583.56x = 339,853.32 × 68,813.40
  4. Step 4: Simplify right side
    226,583.56x = 23,386,462,450.49
  5. Step 5: Solve for x
    x = 23,386,462,450.49/226,583.56
  6. Step 6: Final answer
    x = 103,213.41

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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.