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Finding the Fourth Proportional to 109.59, 164.35 and 32.56

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Solution

The fourth proportional to 109.59, 164.35 and 32.56 is: 48.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.59 : 164.35 = 32.56 : x
  2. Step 2: Convert to fraction form
    109.59/164.35 = 32.56/x
  3. Step 3: Cross multiply
    109.59x = 164.35 × 32.56
  4. Step 4: Simplify right side
    109.59x = 5,350.87
  5. Step 5: Solve for x
    x = 5,350.87/109.59
  6. Step 6: Final answer
    x = 48.83

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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.