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Finding the Fourth Proportional to 233.68, 322.14 and 163.52

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Solution

The fourth proportional to 233.68, 322.14 and 163.52 is: 225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.68 : 322.14 = 163.52 : x
  2. Step 2: Convert to fraction form
    233.68/322.14 = 163.52/x
  3. Step 3: Cross multiply
    233.68x = 322.14 × 163.52
  4. Step 4: Simplify right side
    233.68x = 52,676.33
  5. Step 5: Solve for x
    x = 52,676.33/233.68
  6. Step 6: Final answer
    x = 225.42

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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.