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Finding the Fourth Proportional to 225,450.82, 338,182.44 and 67,679.32

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Solution

The fourth proportional to 225,450.82, 338,182.44 and 67,679.32 is: 101,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,450.82 : 338,182.44 = 67,679.32 : x
  2. Step 2: Convert to fraction form
    225,450.82/338,182.44 = 67,679.32/x
  3. Step 3: Cross multiply
    225,450.82x = 338,182.44 × 67,679.32
  4. Step 4: Simplify right side
    225,450.82x = 22,887,957,575.14
  5. Step 5: Solve for x
    x = 22,887,957,575.14/225,450.82
  6. Step 6: Final answer
    x = 101,520.84

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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.