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Finding the Fourth Proportional to 163.93, 226.42 and 150.77

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Solution

The fourth proportional to 163.93, 226.42 and 150.77 is: 208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.93 : 226.42 = 150.77 : x
  2. Step 2: Convert to fraction form
    163.93/226.42 = 150.77/x
  3. Step 3: Cross multiply
    163.93x = 226.42 × 150.77
  4. Step 4: Simplify right side
    163.93x = 34,136.02
  5. Step 5: Solve for x
    x = 34,136.02/163.93
  6. Step 6: Final answer
    x = 208.24

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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.