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Finding the Fourth Proportional to 168,450.44, 252,733.26 and 75,021.32

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Solution

The fourth proportional to 168,450.44, 252,733.26 and 75,021.32 is: 112,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,450.44 : 252,733.26 = 75,021.32 : x
  2. Step 2: Convert to fraction form
    168,450.44/252,733.26 = 75,021.32/x
  3. Step 3: Cross multiply
    168,450.44x = 252,733.26 × 75,021.32
  4. Step 4: Simplify right side
    168,450.44x = 18,960,382,773.10
  5. Step 5: Solve for x
    x = 18,960,382,773.10/168,450.44
  6. Step 6: Final answer
    x = 112,557.63

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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.