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Finding the Fourth Proportional to 233.87, 350.98 and 112.22

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Solution

The fourth proportional to 233.87, 350.98 and 112.22 is: 168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.87 : 350.98 = 112.22 : x
  2. Step 2: Convert to fraction form
    233.87/350.98 = 112.22/x
  3. Step 3: Cross multiply
    233.87x = 350.98 × 112.22
  4. Step 4: Simplify right side
    233.87x = 39,388.20
  5. Step 5: Solve for x
    x = 39,388.20/233.87
  6. Step 6: Final answer
    x = 168.42

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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.