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Finding the Fourth Proportional to 185.76, 278.44 and 94.37

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Solution

The fourth proportional to 185.76, 278.44 and 94.37 is: 141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.76 : 278.44 = 94.37 : x
  2. Step 2: Convert to fraction form
    185.76/278.44 = 94.37/x
  3. Step 3: Cross multiply
    185.76x = 278.44 × 94.37
  4. Step 4: Simplify right side
    185.76x = 26,274.75
  5. Step 5: Solve for x
    x = 26,274.75/185.76
  6. Step 6: Final answer
    x = 141.44

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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.