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Finding the Fourth Proportional to 293.05, 404.49 and 168.67

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Solution

The fourth proportional to 293.05, 404.49 and 168.67 is: 232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.05 : 404.49 = 168.67 : x
  2. Step 2: Convert to fraction form
    293.05/404.49 = 168.67/x
  3. Step 3: Cross multiply
    293.05x = 404.49 × 168.67
  4. Step 4: Simplify right side
    293.05x = 68,225.33
  5. Step 5: Solve for x
    x = 68,225.33/293.05
  6. Step 6: Final answer
    x = 232.81

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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.