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Finding the Fourth Proportional to 157.67, 236.81 and 150.48

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Solution

The fourth proportional to 157.67, 236.81 and 150.48 is: 226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.67 : 236.81 = 150.48 : x
  2. Step 2: Convert to fraction form
    157.67/236.81 = 150.48/x
  3. Step 3: Cross multiply
    157.67x = 236.81 × 150.48
  4. Step 4: Simplify right side
    157.67x = 35,635.17
  5. Step 5: Solve for x
    x = 35,635.17/157.67
  6. Step 6: Final answer
    x = 226.01

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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.