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Finding the Fourth Proportional to 133.53, 184.07 and 94.06

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Solution

The fourth proportional to 133.53, 184.07 and 94.06 is: 129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.53 : 184.07 = 94.06 : x
  2. Step 2: Convert to fraction form
    133.53/184.07 = 94.06/x
  3. Step 3: Cross multiply
    133.53x = 184.07 × 94.06
  4. Step 4: Simplify right side
    133.53x = 17,313.62
  5. Step 5: Solve for x
    x = 17,313.62/133.53
  6. Step 6: Final answer
    x = 129.66

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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.