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Finding the Fourth Proportional to 233.97, 350.86 and 69.39

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Solution

The fourth proportional to 233.97, 350.86 and 69.39 is: 104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.97 : 350.86 = 69.39 : x
  2. Step 2: Convert to fraction form
    233.97/350.86 = 69.39/x
  3. Step 3: Cross multiply
    233.97x = 350.86 × 69.39
  4. Step 4: Simplify right side
    233.97x = 24,346.18
  5. Step 5: Solve for x
    x = 24,346.18/233.97
  6. Step 6: Final answer
    x = 104.06

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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.