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Finding the Fourth Proportional to 159,847.43, 239,682.85 and 100,556.24

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Solution

The fourth proportional to 159,847.43, 239,682.85 and 100,556.24 is: 150,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,847.43 : 239,682.85 = 100,556.24 : x
  2. Step 2: Convert to fraction form
    159,847.43/239,682.85 = 100,556.24/x
  3. Step 3: Cross multiply
    159,847.43x = 239,682.85 × 100,556.24
  4. Step 4: Simplify right side
    159,847.43x = 24,101,604,738.68
  5. Step 5: Solve for x
    x = 24,101,604,738.68/159,847.43
  6. Step 6: Final answer
    x = 150,778.81

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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.