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Finding the Fourth Proportional to 133.62, 184 and 116.08

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Solution

The fourth proportional to 133.62, 184 and 116.08 is: 159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.62 : 184 = 116.08 : x
  2. Step 2: Convert to fraction form
    133.62/184 = 116.08/x
  3. Step 3: Cross multiply
    133.62x = 184 × 116.08
  4. Step 4: Simplify right side
    133.62x = 21,358.72
  5. Step 5: Solve for x
    x = 21,358.72/133.62
  6. Step 6: Final answer
    x = 159.85

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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.