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Finding the Fourth Proportional to 134.59, 201.72 and 94

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Solution

The fourth proportional to 134.59, 201.72 and 94 is: 140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.59 : 201.72 = 94 : x
  2. Step 2: Convert to fraction form
    134.59/201.72 = 94/x
  3. Step 3: Cross multiply
    134.59x = 201.72 × 94
  4. Step 4: Simplify right side
    134.59x = 18,961.68
  5. Step 5: Solve for x
    x = 18,961.68/134.59
  6. Step 6: Final answer
    x = 140.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.