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Finding the Fourth Proportional to 163.84, 226.12 and 160.06

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Solution

The fourth proportional to 163.84, 226.12 and 160.06 is: 220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.84 : 226.12 = 160.06 : x
  2. Step 2: Convert to fraction form
    163.84/226.12 = 160.06/x
  3. Step 3: Cross multiply
    163.84x = 226.12 × 160.06
  4. Step 4: Simplify right side
    163.84x = 36,192.77
  5. Step 5: Solve for x
    x = 36,192.77/163.84
  6. Step 6: Final answer
    x = 220.90

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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.