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Finding the Fourth Proportional to 265,654.08, 398,480.40 and 88,174.44

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Solution

The fourth proportional to 265,654.08, 398,480.40 and 88,174.44 is: 132,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,654.08 : 398,480.40 = 88,174.44 : x
  2. Step 2: Convert to fraction form
    265,654.08/398,480.40 = 88,174.44/x
  3. Step 3: Cross multiply
    265,654.08x = 398,480.40 × 88,174.44
  4. Step 4: Simplify right side
    265,654.08x = 35,135,786,120.98
  5. Step 5: Solve for x
    x = 35,135,786,120.98/265,654.08
  6. Step 6: Final answer
    x = 132,261.42

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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.