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Finding the Fourth Proportional to 133.69, 184.34 and 94.37

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Solution

The fourth proportional to 133.69, 184.34 and 94.37 is: 130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.69 : 184.34 = 94.37 : x
  2. Step 2: Convert to fraction form
    133.69/184.34 = 94.37/x
  3. Step 3: Cross multiply
    133.69x = 184.34 × 94.37
  4. Step 4: Simplify right side
    133.69x = 17,396.17
  5. Step 5: Solve for x
    x = 17,396.17/133.69
  6. Step 6: Final answer
    x = 130.12

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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.