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Finding the Fourth Proportional to 182.50, 252.06 and 124.18

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Solution

The fourth proportional to 182.50, 252.06 and 124.18 is: 171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.50 : 252.06 = 124.18 : x
  2. Step 2: Convert to fraction form
    182.50/252.06 = 124.18/x
  3. Step 3: Cross multiply
    182.50x = 252.06 × 124.18
  4. Step 4: Simplify right side
    182.50x = 31,300.19
  5. Step 5: Solve for x
    x = 31,300.19/182.50
  6. Step 6: Final answer
    x = 171.51

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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.