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Finding the Fourth Proportional to 225,676.81, 338,447.05 and 67,863.37

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Solution

The fourth proportional to 225,676.81, 338,447.05 and 67,863.37 is: 101,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,676.81 : 338,447.05 = 67,863.37 : x
  2. Step 2: Convert to fraction form
    225,676.81/338,447.05 = 67,863.37/x
  3. Step 3: Cross multiply
    225,676.81x = 338,447.05 × 67,863.37
  4. Step 4: Simplify right side
    225,676.81x = 22,968,157,379.56
  5. Step 5: Solve for x
    x = 22,968,157,379.56/225,676.81
  6. Step 6: Final answer
    x = 101,774.56

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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.