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Finding the Fourth Proportional to 182.56, 274.31 and 137.33

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Solution

The fourth proportional to 182.56, 274.31 and 137.33 is: 206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.56 : 274.31 = 137.33 : x
  2. Step 2: Convert to fraction form
    182.56/274.31 = 137.33/x
  3. Step 3: Cross multiply
    182.56x = 274.31 × 137.33
  4. Step 4: Simplify right side
    182.56x = 37,671.51
  5. Step 5: Solve for x
    x = 37,671.51/182.56
  6. Step 6: Final answer
    x = 206.35

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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.