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Finding the Fourth Proportional to 133.46, 200.24 and 56.46

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Solution

The fourth proportional to 133.46, 200.24 and 56.46 is: 84.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.46 : 200.24 = 56.46 : x
  2. Step 2: Convert to fraction form
    133.46/200.24 = 56.46/x
  3. Step 3: Cross multiply
    133.46x = 200.24 × 56.46
  4. Step 4: Simplify right side
    133.46x = 11,305.55
  5. Step 5: Solve for x
    x = 11,305.55/133.46
  6. Step 6: Final answer
    x = 84.71

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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.