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Finding the Fourth Proportional to 162.67, 224.17 and 118.33

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Solution

The fourth proportional to 162.67, 224.17 and 118.33 is: 163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.67 : 224.17 = 118.33 : x
  2. Step 2: Convert to fraction form
    162.67/224.17 = 118.33/x
  3. Step 3: Cross multiply
    162.67x = 224.17 × 118.33
  4. Step 4: Simplify right side
    162.67x = 26,526.04
  5. Step 5: Solve for x
    x = 26,526.04/162.67
  6. Step 6: Final answer
    x = 163.07

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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.