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Finding the Fourth Proportional to 168,711.68, 253,067.84 and 50,373.72

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Solution

The fourth proportional to 168,711.68, 253,067.84 and 50,373.72 is: 75,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,711.68 : 253,067.84 = 50,373.72 : x
  2. Step 2: Convert to fraction form
    168,711.68/253,067.84 = 50,373.72/x
  3. Step 3: Cross multiply
    168,711.68x = 253,067.84 × 50,373.72
  4. Step 4: Simplify right side
    168,711.68x = 12,747,968,513.16
  5. Step 5: Solve for x
    x = 12,747,968,513.16/168,711.68
  6. Step 6: Final answer
    x = 75,560.68

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1.5x scale

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.