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Finding the Fourth Proportional to 185.56, 278.52 and 183.16

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Solution

The fourth proportional to 185.56, 278.52 and 183.16 is: 274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.56 : 278.52 = 183.16 : x
  2. Step 2: Convert to fraction form
    185.56/278.52 = 183.16/x
  3. Step 3: Cross multiply
    185.56x = 278.52 × 183.16
  4. Step 4: Simplify right side
    185.56x = 51,013.72
  5. Step 5: Solve for x
    x = 51,013.72/185.56
  6. Step 6: Final answer
    x = 274.92

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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.