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Finding the Fourth Proportional to 185.67, 278.15 and 94.41

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Solution

The fourth proportional to 185.67, 278.15 and 94.41 is: 141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.67 : 278.15 = 94.41 : x
  2. Step 2: Convert to fraction form
    185.67/278.15 = 94.41/x
  3. Step 3: Cross multiply
    185.67x = 278.15 × 94.41
  4. Step 4: Simplify right side
    185.67x = 26,259.67
  5. Step 5: Solve for x
    x = 26,259.67/185.67
  6. Step 6: Final answer
    x = 141.43

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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.