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Finding the Fourth Proportional to 233.85, 350.64 and 112.17

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Solution

The fourth proportional to 233.85, 350.64 and 112.17 is: 168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.85 : 350.64 = 112.17 : x
  2. Step 2: Convert to fraction form
    233.85/350.64 = 112.17/x
  3. Step 3: Cross multiply
    233.85x = 350.64 × 112.17
  4. Step 4: Simplify right side
    233.85x = 39,331.29
  5. Step 5: Solve for x
    x = 39,331.29/233.85
  6. Step 6: Final answer
    x = 168.19

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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.