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Finding the Fourth Proportional to 225,944.70, 338,974.65 and 159,514.26

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Solution

The fourth proportional to 225,944.70, 338,974.65 and 159,514.26 is: 239,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,944.70 : 338,974.65 = 159,514.26 : x
  2. Step 2: Convert to fraction form
    225,944.70/338,974.65 = 159,514.26/x
  3. Step 3: Cross multiply
    225,944.70x = 338,974.65 × 159,514.26
  4. Step 4: Simplify right side
    225,944.70x = 54,071,290,453.51
  5. Step 5: Solve for x
    x = 54,071,290,453.51/225,944.70
  6. Step 6: Final answer
    x = 239,312.05

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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.