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Finding the Fourth Proportional to 185.18, 277.59 and 93.92

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Solution

The fourth proportional to 185.18, 277.59 and 93.92 is: 140.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.18 : 277.59 = 93.92 : x
  2. Step 2: Convert to fraction form
    185.18/277.59 = 93.92/x
  3. Step 3: Cross multiply
    185.18x = 277.59 × 93.92
  4. Step 4: Simplify right side
    185.18x = 26,071.25
  5. Step 5: Solve for x
    x = 26,071.25/185.18
  6. Step 6: Final answer
    x = 140.79

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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.