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Finding the Fourth Proportional to 133.84, 201.18 and 116.02

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Solution

The fourth proportional to 133.84, 201.18 and 116.02 is: 174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.84 : 201.18 = 116.02 : x
  2. Step 2: Convert to fraction form
    133.84/201.18 = 116.02/x
  3. Step 3: Cross multiply
    133.84x = 201.18 × 116.02
  4. Step 4: Simplify right side
    133.84x = 23,340.90
  5. Step 5: Solve for x
    x = 23,340.90/133.84
  6. Step 6: Final answer
    x = 174.39

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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.