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Finding the Fourth Proportional to 203.36, 304.92 and 95

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Solution

The fourth proportional to 203.36, 304.92 and 95 is: 142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.36 : 304.92 = 95 : x
  2. Step 2: Convert to fraction form
    203.36/304.92 = 95/x
  3. Step 3: Cross multiply
    203.36x = 304.92 × 95
  4. Step 4: Simplify right side
    203.36x = 28,967.40
  5. Step 5: Solve for x
    x = 28,967.40/203.36
  6. Step 6: Final answer
    x = 142.44

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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.