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Finding the Fourth Proportional to 203.44, 304.60 and 167.12

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Solution

The fourth proportional to 203.44, 304.60 and 167.12 is: 250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.44 : 304.60 = 167.12 : x
  2. Step 2: Convert to fraction form
    203.44/304.60 = 167.12/x
  3. Step 3: Cross multiply
    203.44x = 304.60 × 167.12
  4. Step 4: Simplify right side
    203.44x = 50,904.75
  5. Step 5: Solve for x
    x = 50,904.75/203.44
  6. Step 6: Final answer
    x = 250.22

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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.