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Finding the Fourth Proportional to 148.22, 222.33 and 67.04

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Solution

The fourth proportional to 148.22, 222.33 and 67.04 is: 100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.22 : 222.33 = 67.04 : x
  2. Step 2: Convert to fraction form
    148.22/222.33 = 67.04/x
  3. Step 3: Cross multiply
    148.22x = 222.33 × 67.04
  4. Step 4: Simplify right side
    148.22x = 14,903.89
  5. Step 5: Solve for x
    x = 14,903.89/148.22
  6. Step 6: Final answer
    x = 100.56

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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.