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Finding the Fourth Proportional to 233.92, 350.20 and 161.64

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Solution

The fourth proportional to 233.92, 350.20 and 161.64 is: 241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.92 : 350.20 = 161.64 : x
  2. Step 2: Convert to fraction form
    233.92/350.20 = 161.64/x
  3. Step 3: Cross multiply
    233.92x = 350.20 × 161.64
  4. Step 4: Simplify right side
    233.92x = 56,606.33
  5. Step 5: Solve for x
    x = 56,606.33/233.92
  6. Step 6: Final answer
    x = 241.99

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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.