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Finding the Fourth Proportional to 133.11, 183.46 and 110.93

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Solution

The fourth proportional to 133.11, 183.46 and 110.93 is: 152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.11 : 183.46 = 110.93 : x
  2. Step 2: Convert to fraction form
    133.11/183.46 = 110.93/x
  3. Step 3: Cross multiply
    133.11x = 183.46 × 110.93
  4. Step 4: Simplify right side
    133.11x = 20,351.22
  5. Step 5: Solve for x
    x = 20,351.22/133.11
  6. Step 6: Final answer
    x = 152.89

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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.