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Finding the Fourth Proportional to 182.13, 251.45 and 124.08

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Solution

The fourth proportional to 182.13, 251.45 and 124.08 is: 171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.13 : 251.45 = 124.08 : x
  2. Step 2: Convert to fraction form
    182.13/251.45 = 124.08/x
  3. Step 3: Cross multiply
    182.13x = 251.45 × 124.08
  4. Step 4: Simplify right side
    182.13x = 31,199.92
  5. Step 5: Solve for x
    x = 31,199.92/182.13
  6. Step 6: Final answer
    x = 171.31

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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.