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Finding the Fourth Proportional to 158.41, 236.46 and 150.49

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Solution

The fourth proportional to 158.41, 236.46 and 150.49 is: 224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.41 : 236.46 = 150.49 : x
  2. Step 2: Convert to fraction form
    158.41/236.46 = 150.49/x
  3. Step 3: Cross multiply
    158.41x = 236.46 × 150.49
  4. Step 4: Simplify right side
    158.41x = 35,584.87
  5. Step 5: Solve for x
    x = 35,584.87/158.41
  6. Step 6: Final answer
    x = 224.64

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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.