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Finding the Fourth Proportional to 233.97, 350.92 and 89.69

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Solution

The fourth proportional to 233.97, 350.92 and 89.69 is: 134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.97 : 350.92 = 89.69 : x
  2. Step 2: Convert to fraction form
    233.97/350.92 = 89.69/x
  3. Step 3: Cross multiply
    233.97x = 350.92 × 89.69
  4. Step 4: Simplify right side
    233.97x = 31,474.67
  5. Step 5: Solve for x
    x = 31,474.67/233.97
  6. Step 6: Final answer
    x = 134.52

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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.