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Finding the Fourth Proportional to 168,446.44, 252,727.26 and 75,017.32

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Solution

The fourth proportional to 168,446.44, 252,727.26 and 75,017.32 is: 112,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,446.44 : 252,727.26 = 75,017.32 : x
  2. Step 2: Convert to fraction form
    168,446.44/252,727.26 = 75,017.32/x
  3. Step 3: Cross multiply
    168,446.44x = 252,727.26 × 75,017.32
  4. Step 4: Simplify right side
    168,446.44x = 18,958,921,736.14
  5. Step 5: Solve for x
    x = 18,958,921,736.14/168,446.44
  6. Step 6: Final answer
    x = 112,551.63

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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.