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Finding the Fourth Proportional to 148.04, 222.27 and 107.66

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Solution

The fourth proportional to 148.04, 222.27 and 107.66 is: 161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.04 : 222.27 = 107.66 : x
  2. Step 2: Convert to fraction form
    148.04/222.27 = 107.66/x
  3. Step 3: Cross multiply
    148.04x = 222.27 × 107.66
  4. Step 4: Simplify right side
    148.04x = 23,929.59
  5. Step 5: Solve for x
    x = 23,929.59/148.04
  6. Step 6: Final answer
    x = 161.64

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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.