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Finding the Fourth Proportional to 195.83, 293.85 and 113.67

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Solution

The fourth proportional to 195.83, 293.85 and 113.67 is: 170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.83 : 293.85 = 113.67 : x
  2. Step 2: Convert to fraction form
    195.83/293.85 = 113.67/x
  3. Step 3: Cross multiply
    195.83x = 293.85 × 113.67
  4. Step 4: Simplify right side
    195.83x = 33,401.93
  5. Step 5: Solve for x
    x = 33,401.93/195.83
  6. Step 6: Final answer
    x = 170.56

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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.