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Finding the Fourth Proportional to 226,306.56, 339,496.56 and 76,555.95

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Solution

The fourth proportional to 226,306.56, 339,496.56 and 76,555.95 is: 114,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,306.56 : 339,496.56 = 76,555.95 : x
  2. Step 2: Convert to fraction form
    226,306.56/339,496.56 = 76,555.95/x
  3. Step 3: Cross multiply
    226,306.56x = 339,496.56 × 76,555.95
  4. Step 4: Simplify right side
    226,306.56x = 25,990,481,672.53
  5. Step 5: Solve for x
    x = 25,990,481,672.53/226,306.56
  6. Step 6: Final answer
    x = 114,846.35

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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.