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Finding the Fourth Proportional to 217,553.92, 326,183.20 and 110,675.20

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Solution

The fourth proportional to 217,553.92, 326,183.20 and 110,675.20 is: 165,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,553.92 : 326,183.20 = 110,675.20 : x
  2. Step 2: Convert to fraction form
    217,553.92/326,183.20 = 110,675.20/x
  3. Step 3: Cross multiply
    217,553.92x = 326,183.20 × 110,675.20
  4. Step 4: Simplify right side
    217,553.92x = 36,100,390,896.64
  5. Step 5: Solve for x
    x = 36,100,390,896.64/217,553.92
  6. Step 6: Final answer
    x = 165,937.67

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1.5x scale

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.