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Finding the Fourth Proportional to 235.34, 352.88 and 110.12

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Solution

The fourth proportional to 235.34, 352.88 and 110.12 is: 165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.34 : 352.88 = 110.12 : x
  2. Step 2: Convert to fraction form
    235.34/352.88 = 110.12/x
  3. Step 3: Cross multiply
    235.34x = 352.88 × 110.12
  4. Step 4: Simplify right side
    235.34x = 38,860.30
  5. Step 5: Solve for x
    x = 38,860.30/235.34
  6. Step 6: Final answer
    x = 165.12

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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.