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Finding the Fourth Proportional to 185.41, 278.12 and 94.02

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Solution

The fourth proportional to 185.41, 278.12 and 94.02 is: 141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.41 : 278.12 = 94.02 : x
  2. Step 2: Convert to fraction form
    185.41/278.12 = 94.02/x
  3. Step 3: Cross multiply
    185.41x = 278.12 × 94.02
  4. Step 4: Simplify right side
    185.41x = 26,148.84
  5. Step 5: Solve for x
    x = 26,148.84/185.41
  6. Step 6: Final answer
    x = 141.03

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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.