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Finding the Fourth Proportional to 109.88, 164.76 and 32.82

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Solution

The fourth proportional to 109.88, 164.76 and 32.82 is: 49.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.88 : 164.76 = 32.82 : x
  2. Step 2: Convert to fraction form
    109.88/164.76 = 32.82/x
  3. Step 3: Cross multiply
    109.88x = 164.76 × 32.82
  4. Step 4: Simplify right side
    109.88x = 5,407.42
  5. Step 5: Solve for x
    x = 5,407.42/109.88
  6. Step 6: Final answer
    x = 49.21

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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.