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Finding the Fourth Proportional to 168,548.91, 252,859.86 and 50,229.78

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Solution

The fourth proportional to 168,548.91, 252,859.86 and 50,229.78 is: 75,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,548.91 : 252,859.86 = 50,229.78 : x
  2. Step 2: Convert to fraction form
    168,548.91/252,859.86 = 50,229.78/x
  3. Step 3: Cross multiply
    168,548.91x = 252,859.86 × 50,229.78
  4. Step 4: Simplify right side
    168,548.91x = 12,701,095,138.63
  5. Step 5: Solve for x
    x = 12,701,095,138.63/168,548.91
  6. Step 6: Final answer
    x = 75,355.55

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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.