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Finding the Fourth Proportional to 133.92, 184.99 and 116.67

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Solution

The fourth proportional to 133.92, 184.99 and 116.67 is: 161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.92 : 184.99 = 116.67 : x
  2. Step 2: Convert to fraction form
    133.92/184.99 = 116.67/x
  3. Step 3: Cross multiply
    133.92x = 184.99 × 116.67
  4. Step 4: Simplify right side
    133.92x = 21,582.78
  5. Step 5: Solve for x
    x = 21,582.78/133.92
  6. Step 6: Final answer
    x = 161.16

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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.