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Finding the Fourth Proportional to 133.50, 200.27 and 48.02

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Solution

The fourth proportional to 133.50, 200.27 and 48.02 is: 72.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.50 : 200.27 = 48.02 : x
  2. Step 2: Convert to fraction form
    133.50/200.27 = 48.02/x
  3. Step 3: Cross multiply
    133.50x = 200.27 × 48.02
  4. Step 4: Simplify right side
    133.50x = 9,616.97
  5. Step 5: Solve for x
    x = 9,616.97/133.50
  6. Step 6: Final answer
    x = 72.04

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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.