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Finding the Fourth Proportional to 182.97, 252.41 and 139.23

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Solution

The fourth proportional to 182.97, 252.41 and 139.23 is: 192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.97 : 252.41 = 139.23 : x
  2. Step 2: Convert to fraction form
    182.97/252.41 = 139.23/x
  3. Step 3: Cross multiply
    182.97x = 252.41 × 139.23
  4. Step 4: Simplify right side
    182.97x = 35,142.35
  5. Step 5: Solve for x
    x = 35,142.35/182.97
  6. Step 6: Final answer
    x = 192.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.