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Finding the Fourth Proportional to 168.37, 232.31 and 94.67

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Solution

The fourth proportional to 168.37, 232.31 and 94.67 is: 130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.37 : 232.31 = 94.67 : x
  2. Step 2: Convert to fraction form
    168.37/232.31 = 94.67/x
  3. Step 3: Cross multiply
    168.37x = 232.31 × 94.67
  4. Step 4: Simplify right side
    168.37x = 21,992.79
  5. Step 5: Solve for x
    x = 21,992.79/168.37
  6. Step 6: Final answer
    x = 130.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.