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Finding the Fourth Proportional to 133.53, 200.16 and 52.26

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Solution

The fourth proportional to 133.53, 200.16 and 52.26 is: 78.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.53 : 200.16 = 52.26 : x
  2. Step 2: Convert to fraction form
    133.53/200.16 = 52.26/x
  3. Step 3: Cross multiply
    133.53x = 200.16 × 52.26
  4. Step 4: Simplify right side
    133.53x = 10,460.99
  5. Step 5: Solve for x
    x = 10,460.99/133.53
  6. Step 6: Final answer
    x = 78.34

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