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Finding the Fourth Proportional to 172,452.60, 258,198.28 and 88,031.16

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Solution

The fourth proportional to 172,452.60, 258,198.28 and 88,031.16 is: 131,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,452.60 : 258,198.28 = 88,031.16 : x
  2. Step 2: Convert to fraction form
    172,452.60/258,198.28 = 88,031.16/x
  3. Step 3: Cross multiply
    172,452.60x = 258,198.28 × 88,031.16
  4. Step 4: Simplify right side
    172,452.60x = 22,729,494,098.40
  5. Step 5: Solve for x
    x = 22,729,494,098.40/172,452.60
  6. Step 6: Final answer
    x = 131,801.40

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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.