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Finding the Fourth Proportional to 225,755.64, 338,820.30 and 113,468.04

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Solution

The fourth proportional to 225,755.64, 338,820.30 and 113,468.04 is: 170,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,755.64 : 338,820.30 = 113,468.04 : x
  2. Step 2: Convert to fraction form
    225,755.64/338,820.30 = 113,468.04/x
  3. Step 3: Cross multiply
    225,755.64x = 338,820.30 × 113,468.04
  4. Step 4: Simplify right side
    225,755.64x = 38,445,275,353.21
  5. Step 5: Solve for x
    x = 38,445,275,353.21/225,755.64
  6. Step 6: Final answer
    x = 170,295.97

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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.