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Finding the Fourth Proportional to 185.37, 277.80 and 93.96

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Solution

The fourth proportional to 185.37, 277.80 and 93.96 is: 140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.37 : 277.80 = 93.96 : x
  2. Step 2: Convert to fraction form
    185.37/277.80 = 93.96/x
  3. Step 3: Cross multiply
    185.37x = 277.80 × 93.96
  4. Step 4: Simplify right side
    185.37x = 26,102.09
  5. Step 5: Solve for x
    x = 26,102.09/185.37
  6. Step 6: Final answer
    x = 140.81

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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.