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Finding the Fourth Proportional to 182.98, 252.39 and 124.84

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Solution

The fourth proportional to 182.98, 252.39 and 124.84 is: 172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.98 : 252.39 = 124.84 : x
  2. Step 2: Convert to fraction form
    182.98/252.39 = 124.84/x
  3. Step 3: Cross multiply
    182.98x = 252.39 × 124.84
  4. Step 4: Simplify right side
    182.98x = 31,508.37
  5. Step 5: Solve for x
    x = 31,508.37/182.98
  6. Step 6: Final answer
    x = 172.20

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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.