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Finding the Fourth Proportional to 185.63, 278.46 and 184.97

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Solution

The fourth proportional to 185.63, 278.46 and 184.97 is: 277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.63 : 278.46 = 184.97 : x
  2. Step 2: Convert to fraction form
    185.63/278.46 = 184.97/x
  3. Step 3: Cross multiply
    185.63x = 278.46 × 184.97
  4. Step 4: Simplify right side
    185.63x = 51,506.75
  5. Step 5: Solve for x
    x = 51,506.75/185.63
  6. Step 6: Final answer
    x = 277.47

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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.