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Finding the Fourth Proportional to 168,738.95, 252,486.48 and 101,311.97

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Solution

The fourth proportional to 168,738.95, 252,486.48 and 101,311.97 is: 151,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,738.95 : 252,486.48 = 101,311.97 : x
  2. Step 2: Convert to fraction form
    168,738.95/252,486.48 = 101,311.97/x
  3. Step 3: Cross multiply
    168,738.95x = 252,486.48 × 101,311.97
  4. Step 4: Simplify right side
    168,738.95x = 25,579,902,687.17
  5. Step 5: Solve for x
    x = 25,579,902,687.17/168,738.95
  6. Step 6: Final answer
    x = 151,594.54

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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.