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Finding the Fourth Proportional to 225,372.54, 338,003.44 and 75,609.48

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Solution

The fourth proportional to 225,372.54, 338,003.44 and 75,609.48 is: 113,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,372.54 : 338,003.44 = 75,609.48 : x
  2. Step 2: Convert to fraction form
    225,372.54/338,003.44 = 75,609.48/x
  3. Step 3: Cross multiply
    225,372.54x = 338,003.44 × 75,609.48
  4. Step 4: Simplify right side
    225,372.54x = 25,556,264,336.61
  5. Step 5: Solve for x
    x = 25,556,264,336.61/225,372.54
  6. Step 6: Final answer
    x = 113,395.64

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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.