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Finding the Fourth Proportional to 148.96, 222.90 and 94.96

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Solution

The fourth proportional to 148.96, 222.90 and 94.96 is: 142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.96 : 222.90 = 94.96 : x
  2. Step 2: Convert to fraction form
    148.96/222.90 = 94.96/x
  3. Step 3: Cross multiply
    148.96x = 222.90 × 94.96
  4. Step 4: Simplify right side
    148.96x = 21,166.58
  5. Step 5: Solve for x
    x = 21,166.58/148.96
  6. Step 6: Final answer
    x = 142.10

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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.