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Finding the Fourth Proportional to 105.55, 158.29 and 32.41

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Solution

The fourth proportional to 105.55, 158.29 and 32.41 is: 48.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105.55 : 158.29 = 32.41 : x
  2. Step 2: Convert to fraction form
    105.55/158.29 = 32.41/x
  3. Step 3: Cross multiply
    105.55x = 158.29 × 32.41
  4. Step 4: Simplify right side
    105.55x = 5,129.31
  5. Step 5: Solve for x
    x = 5,129.31/105.55
  6. Step 6: Final answer
    x = 48.59

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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.