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Finding the Fourth Proportional to 293.86, 405.52 and 169.54

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Solution

The fourth proportional to 293.86, 405.52 and 169.54 is: 233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.86 : 405.52 = 169.54 : x
  2. Step 2: Convert to fraction form
    293.86/405.52 = 169.54/x
  3. Step 3: Cross multiply
    293.86x = 405.52 × 169.54
  4. Step 4: Simplify right side
    293.86x = 68,753.66
  5. Step 5: Solve for x
    x = 68,753.66/293.86
  6. Step 6: Final answer
    x = 233.97

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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.