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Finding the Fourth Proportional to 150.92, 226.14 and 140.52

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Solution

The fourth proportional to 150.92, 226.14 and 140.52 is: 210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.92 : 226.14 = 140.52 : x
  2. Step 2: Convert to fraction form
    150.92/226.14 = 140.52/x
  3. Step 3: Cross multiply
    150.92x = 226.14 × 140.52
  4. Step 4: Simplify right side
    150.92x = 31,777.19
  5. Step 5: Solve for x
    x = 31,777.19/150.92
  6. Step 6: Final answer
    x = 210.56

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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.