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Finding the Fourth Proportional to 108.94, 163.44 and 60.88

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Solution

The fourth proportional to 108.94, 163.44 and 60.88 is: 91.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.94 : 163.44 = 60.88 : x
  2. Step 2: Convert to fraction form
    108.94/163.44 = 60.88/x
  3. Step 3: Cross multiply
    108.94x = 163.44 × 60.88
  4. Step 4: Simplify right side
    108.94x = 9,950.23
  5. Step 5: Solve for x
    x = 9,950.23/108.94
  6. Step 6: Final answer
    x = 91.34

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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.