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Finding the Fourth Proportional to 159,568.92, 239,408.46 and 70,884.72

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Solution

The fourth proportional to 159,568.92, 239,408.46 and 70,884.72 is: 106,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,568.92 : 239,408.46 = 70,884.72 : x
  2. Step 2: Convert to fraction form
    159,568.92/239,408.46 = 70,884.72/x
  3. Step 3: Cross multiply
    159,568.92x = 239,408.46 × 70,884.72
  4. Step 4: Simplify right side
    159,568.92x = 16,970,401,652.73
  5. Step 5: Solve for x
    x = 16,970,401,652.73/159,568.92
  6. Step 6: Final answer
    x = 106,351.55

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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.