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Finding the Fourth Proportional to 233.82, 350.86 and 112.07

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Solution

The fourth proportional to 233.82, 350.86 and 112.07 is: 168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.82 : 350.86 = 112.07 : x
  2. Step 2: Convert to fraction form
    233.82/350.86 = 112.07/x
  3. Step 3: Cross multiply
    233.82x = 350.86 × 112.07
  4. Step 4: Simplify right side
    233.82x = 39,320.88
  5. Step 5: Solve for x
    x = 39,320.88/233.82
  6. Step 6: Final answer
    x = 168.17

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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.