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Finding the Fourth Proportional to 182.26, 251.50 and 103.57

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Solution

The fourth proportional to 182.26, 251.50 and 103.57 is: 142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.26 : 251.50 = 103.57 : x
  2. Step 2: Convert to fraction form
    182.26/251.50 = 103.57/x
  3. Step 3: Cross multiply
    182.26x = 251.50 × 103.57
  4. Step 4: Simplify right side
    182.26x = 26,047.86
  5. Step 5: Solve for x
    x = 26,047.86/182.26
  6. Step 6: Final answer
    x = 142.92

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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.