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Finding the Fourth Proportional to 225,879.92, 338,696.12 and 104,168.34

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Solution

The fourth proportional to 225,879.92, 338,696.12 and 104,168.34 is: 156,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,879.92 : 338,696.12 = 104,168.34 : x
  2. Step 2: Convert to fraction form
    225,879.92/338,696.12 = 104,168.34/x
  3. Step 3: Cross multiply
    225,879.92x = 338,696.12 × 104,168.34
  4. Step 4: Simplify right side
    225,879.92x = 35,281,412,584.84
  5. Step 5: Solve for x
    x = 35,281,412,584.84/225,879.92
  6. Step 6: Final answer
    x = 156,195.44

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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.