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Finding the Fourth Proportional to 134, 201.02 and 48.52

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Solution

The fourth proportional to 134, 201.02 and 48.52 is: 72.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134 : 201.02 = 48.52 : x
  2. Step 2: Convert to fraction form
    134/201.02 = 48.52/x
  3. Step 3: Cross multiply
    134x = 201.02 × 48.52
  4. Step 4: Simplify right side
    134x = 9,753.49
  5. Step 5: Solve for x
    x = 9,753.49/134
  6. Step 6: Final answer
    x = 72.79

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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.