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Finding the Fourth Proportional to 233.52, 322.26 and 163.86

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Solution

The fourth proportional to 233.52, 322.26 and 163.86 is: 226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.52 : 322.26 = 163.86 : x
  2. Step 2: Convert to fraction form
    233.52/322.26 = 163.86/x
  3. Step 3: Cross multiply
    233.52x = 322.26 × 163.86
  4. Step 4: Simplify right side
    233.52x = 52,805.52
  5. Step 5: Solve for x
    x = 52,805.52/233.52
  6. Step 6: Final answer
    x = 226.13

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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.