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Finding the Fourth Proportional to 148.06, 222.36 and 112.24

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Solution

The fourth proportional to 148.06, 222.36 and 112.24 is: 168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.06 : 222.36 = 112.24 : x
  2. Step 2: Convert to fraction form
    148.06/222.36 = 112.24/x
  3. Step 3: Cross multiply
    148.06x = 222.36 × 112.24
  4. Step 4: Simplify right side
    148.06x = 24,957.69
  5. Step 5: Solve for x
    x = 24,957.69/148.06
  6. Step 6: Final answer
    x = 168.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.