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Finding the Fourth Proportional to 185.02, 277.52 and 82.24

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Solution

The fourth proportional to 185.02, 277.52 and 82.24 is: 123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.02 : 277.52 = 82.24 : x
  2. Step 2: Convert to fraction form
    185.02/277.52 = 82.24/x
  3. Step 3: Cross multiply
    185.02x = 277.52 × 82.24
  4. Step 4: Simplify right side
    185.02x = 22,823.24
  5. Step 5: Solve for x
    x = 22,823.24/185.02
  6. Step 6: Final answer
    x = 123.36

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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.