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Finding the Fourth Proportional to 168,469.44, 252,764.30 and 72,366.28

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Solution

The fourth proportional to 168,469.44, 252,764.30 and 72,366.28 is: 108,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,469.44 : 252,764.30 = 72,366.28 : x
  2. Step 2: Convert to fraction form
    168,469.44/252,764.30 = 72,366.28/x
  3. Step 3: Cross multiply
    168,469.44x = 252,764.30 × 72,366.28
  4. Step 4: Simplify right side
    168,469.44x = 18,291,612,107.80
  5. Step 5: Solve for x
    x = 18,291,612,107.80/168,469.44
  6. Step 6: Final answer
    x = 108,575.25

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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.