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Finding the Fourth Proportional to 148.14, 204.42 and 82.64

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Solution

The fourth proportional to 148.14, 204.42 and 82.64 is: 114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.14 : 204.42 = 82.64 : x
  2. Step 2: Convert to fraction form
    148.14/204.42 = 82.64/x
  3. Step 3: Cross multiply
    148.14x = 204.42 × 82.64
  4. Step 4: Simplify right side
    148.14x = 16,892.25
  5. Step 5: Solve for x
    x = 16,892.25/148.14
  6. Step 6: Final answer
    x = 114.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.