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Finding the Fourth Proportional to 233.66, 350.08 and 111.76

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Solution

The fourth proportional to 233.66, 350.08 and 111.76 is: 167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.66 : 350.08 = 111.76 : x
  2. Step 2: Convert to fraction form
    233.66/350.08 = 111.76/x
  3. Step 3: Cross multiply
    233.66x = 350.08 × 111.76
  4. Step 4: Simplify right side
    233.66x = 39,124.94
  5. Step 5: Solve for x
    x = 39,124.94/233.66
  6. Step 6: Final answer
    x = 167.44

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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.