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Finding the Fourth Proportional to 533.34, 799.92 and 168.18

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Solution

The fourth proportional to 533.34, 799.92 and 168.18 is: 252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.34 : 799.92 = 168.18 : x
  2. Step 2: Convert to fraction form
    533.34/799.92 = 168.18/x
  3. Step 3: Cross multiply
    533.34x = 799.92 × 168.18
  4. Step 4: Simplify right side
    533.34x = 134,530.55
  5. Step 5: Solve for x
    x = 134,530.55/533.34
  6. Step 6: Final answer
    x = 252.24

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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.