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Finding the Fourth Proportional to 233.85, 350.84 and 112.11

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Solution

The fourth proportional to 233.85, 350.84 and 112.11 is: 168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.85 : 350.84 = 112.11 : x
  2. Step 2: Convert to fraction form
    233.85/350.84 = 112.11/x
  3. Step 3: Cross multiply
    233.85x = 350.84 × 112.11
  4. Step 4: Simplify right side
    233.85x = 39,332.67
  5. Step 5: Solve for x
    x = 39,332.67/233.85
  6. Step 6: Final answer
    x = 168.20

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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.