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Finding the Fourth Proportional to 203.60, 304.93 and 116.73

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Solution

The fourth proportional to 203.60, 304.93 and 116.73 is: 174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.60 : 304.93 = 116.73 : x
  2. Step 2: Convert to fraction form
    203.60/304.93 = 116.73/x
  3. Step 3: Cross multiply
    203.60x = 304.93 × 116.73
  4. Step 4: Simplify right side
    203.60x = 35,594.48
  5. Step 5: Solve for x
    x = 35,594.48/203.60
  6. Step 6: Final answer
    x = 174.83

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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.