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Finding the Fourth Proportional to 148.24, 204.04 and 111.44

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Solution

The fourth proportional to 148.24, 204.04 and 111.44 is: 153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.24 : 204.04 = 111.44 : x
  2. Step 2: Convert to fraction form
    148.24/204.04 = 111.44/x
  3. Step 3: Cross multiply
    148.24x = 204.04 × 111.44
  4. Step 4: Simplify right side
    148.24x = 22,738.22
  5. Step 5: Solve for x
    x = 22,738.22/148.24
  6. Step 6: Final answer
    x = 153.39

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Why These Related Problems?

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