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Finding the Fourth Proportional to 151.77, 226.49 and 134.46

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Solution

The fourth proportional to 151.77, 226.49 and 134.46 is: 200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.77 : 226.49 = 134.46 : x
  2. Step 2: Convert to fraction form
    151.77/226.49 = 134.46/x
  3. Step 3: Cross multiply
    151.77x = 226.49 × 134.46
  4. Step 4: Simplify right side
    151.77x = 30,453.17
  5. Step 5: Solve for x
    x = 30,453.17/151.77
  6. Step 6: Final answer
    x = 200.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.