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Finding the Fourth Proportional to 233.49, 350.35 and 111.84

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Solution

The fourth proportional to 233.49, 350.35 and 111.84 is: 167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.49 : 350.35 = 111.84 : x
  2. Step 2: Convert to fraction form
    233.49/350.35 = 111.84/x
  3. Step 3: Cross multiply
    233.49x = 350.35 × 111.84
  4. Step 4: Simplify right side
    233.49x = 39,182.85
  5. Step 5: Solve for x
    x = 39,182.85/233.49
  6. Step 6: Final answer
    x = 167.81

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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.