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Finding the Fourth Proportional to 233.67, 350.45 and 79.59

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Solution

The fourth proportional to 233.67, 350.45 and 79.59 is: 119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.67 : 350.45 = 79.59 : x
  2. Step 2: Convert to fraction form
    233.67/350.45 = 79.59/x
  3. Step 3: Cross multiply
    233.67x = 350.45 × 79.59
  4. Step 4: Simplify right side
    233.67x = 27,891.92
  5. Step 5: Solve for x
    x = 27,891.92/233.67
  6. Step 6: Final answer
    x = 119.36

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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.