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Finding the Fourth Proportional to 163.17, 244.58 and 111.83

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Solution

The fourth proportional to 163.17, 244.58 and 111.83 is: 167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.17 : 244.58 = 111.83 : x
  2. Step 2: Convert to fraction form
    163.17/244.58 = 111.83/x
  3. Step 3: Cross multiply
    163.17x = 244.58 × 111.83
  4. Step 4: Simplify right side
    163.17x = 27,349.60
  5. Step 5: Solve for x
    x = 27,349.60/163.17
  6. Step 6: Final answer
    x = 167.61

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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.