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Finding the Fourth Proportional to 110.53, 165.82 and 49.67

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Solution

The fourth proportional to 110.53, 165.82 and 49.67 is: 74.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.53 : 165.82 = 49.67 : x
  2. Step 2: Convert to fraction form
    110.53/165.82 = 49.67/x
  3. Step 3: Cross multiply
    110.53x = 165.82 × 49.67
  4. Step 4: Simplify right side
    110.53x = 8,236.28
  5. Step 5: Solve for x
    x = 8,236.28/110.53
  6. Step 6: Final answer
    x = 74.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.