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Finding the Fourth Proportional to 101,793.42, 140,382.87 and 63,556.41

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Solution

The fourth proportional to 101,793.42, 140,382.87 and 63,556.41 is: 87,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,793.42 : 140,382.87 = 63,556.41 : x
  2. Step 2: Convert to fraction form
    101,793.42/140,382.87 = 63,556.41/x
  3. Step 3: Cross multiply
    101,793.42x = 140,382.87 × 63,556.41
  4. Step 4: Simplify right side
    101,793.42x = 8,922,231,242.70
  5. Step 5: Solve for x
    x = 8,922,231,242.70/101,793.42
  6. Step 6: Final answer
    x = 87,650.37

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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.