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Finding the Fourth Proportional to 132.88, 183.30 and 94

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Solution

The fourth proportional to 132.88, 183.30 and 94 is: 129.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.88 : 183.30 = 94 : x
  2. Step 2: Convert to fraction form
    132.88/183.30 = 94/x
  3. Step 3: Cross multiply
    132.88x = 183.30 × 94
  4. Step 4: Simplify right side
    132.88x = 17,230.20
  5. Step 5: Solve for x
    x = 17,230.20/132.88
  6. Step 6: Final answer
    x = 129.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.