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Finding the Fourth Proportional to 159,977.20, 239,620.20 and 132,329.20

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Solution

The fourth proportional to 159,977.20, 239,620.20 and 132,329.20 is: 198,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,977.20 : 239,620.20 = 132,329.20 : x
  2. Step 2: Convert to fraction form
    159,977.20/239,620.20 = 132,329.20/x
  3. Step 3: Cross multiply
    159,977.20x = 239,620.20 × 132,329.20
  4. Step 4: Simplify right side
    159,977.20x = 31,708,749,369.84
  5. Step 5: Solve for x
    x = 31,708,749,369.84/159,977.20
  6. Step 6: Final answer
    x = 198,207.93

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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.