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Finding the Fourth Proportional to 226,474.56, 339,713.10 and 68,703.18

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Solution

The fourth proportional to 226,474.56, 339,713.10 and 68,703.18 is: 103,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,474.56 : 339,713.10 = 68,703.18 : x
  2. Step 2: Convert to fraction form
    226,474.56/339,713.10 = 68,703.18/x
  3. Step 3: Cross multiply
    226,474.56x = 339,713.10 × 68,703.18
  4. Step 4: Simplify right side
    226,474.56x = 23,339,370,257.66
  5. Step 5: Solve for x
    x = 23,339,370,257.66/226,474.56
  6. Step 6: Final answer
    x = 103,055.15

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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.