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Finding the Fourth Proportional to 159,850.80, 239,687.91 and 100,559.61

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Solution

The fourth proportional to 159,850.80, 239,687.91 and 100,559.61 is: 150,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,850.80 : 239,687.91 = 100,559.61 : x
  2. Step 2: Convert to fraction form
    159,850.80/239,687.91 = 100,559.61/x
  3. Step 3: Cross multiply
    159,850.80x = 239,687.91 × 100,559.61
  4. Step 4: Simplify right side
    159,850.80x = 24,102,922,751.32
  5. Step 5: Solve for x
    x = 24,102,922,751.32/159,850.80
  6. Step 6: Final answer
    x = 150,783.87

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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.