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Finding the Fourth Proportional to 133.44, 183.67 and 107.01

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Solution

The fourth proportional to 133.44, 183.67 and 107.01 is: 147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.44 : 183.67 = 107.01 : x
  2. Step 2: Convert to fraction form
    133.44/183.67 = 107.01/x
  3. Step 3: Cross multiply
    133.44x = 183.67 × 107.01
  4. Step 4: Simplify right side
    133.44x = 19,654.86
  5. Step 5: Solve for x
    x = 19,654.86/133.44
  6. Step 6: Final answer
    x = 147.30

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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.