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Finding the Fourth Proportional to 101,510.08, 140,067.20 and 63,757.44

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Solution

The fourth proportional to 101,510.08, 140,067.20 and 63,757.44 is: 87,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,510.08 : 140,067.20 = 63,757.44 : x
  2. Step 2: Convert to fraction form
    101,510.08/140,067.20 = 63,757.44/x
  3. Step 3: Cross multiply
    101,510.08x = 140,067.20 × 63,757.44
  4. Step 4: Simplify right side
    101,510.08x = 8,930,326,099.97
  5. Step 5: Solve for x
    x = 8,930,326,099.97/101,510.08
  6. Step 6: Final answer
    x = 87,974.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.