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Finding the Fourth Proportional to 168,625.20, 252,937.80 and 43,966.20

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Solution

The fourth proportional to 168,625.20, 252,937.80 and 43,966.20 is: 65,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,625.20 : 252,937.80 = 43,966.20 : x
  2. Step 2: Convert to fraction form
    168,625.20/252,937.80 = 43,966.20/x
  3. Step 3: Cross multiply
    168,625.20x = 252,937.80 × 43,966.20
  4. Step 4: Simplify right side
    168,625.20x = 11,120,713,902.36
  5. Step 5: Solve for x
    x = 11,120,713,902.36/168,625.20
  6. Step 6: Final answer
    x = 65,949.30

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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.