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Finding the Fourth Proportional to 233.52, 350.16 and 111.56

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Solution

The fourth proportional to 233.52, 350.16 and 111.56 is: 167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.52 : 350.16 = 111.56 : x
  2. Step 2: Convert to fraction form
    233.52/350.16 = 111.56/x
  3. Step 3: Cross multiply
    233.52x = 350.16 × 111.56
  4. Step 4: Simplify right side
    233.52x = 39,063.85
  5. Step 5: Solve for x
    x = 39,063.85/233.52
  6. Step 6: Final answer
    x = 167.28

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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.