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Finding the Fourth Proportional to 182.36, 251.70 and 124.58

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Solution

The fourth proportional to 182.36, 251.70 and 124.58 is: 171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.36 : 251.70 = 124.58 : x
  2. Step 2: Convert to fraction form
    182.36/251.70 = 124.58/x
  3. Step 3: Cross multiply
    182.36x = 251.70 × 124.58
  4. Step 4: Simplify right side
    182.36x = 31,356.79
  5. Step 5: Solve for x
    x = 31,356.79/182.36
  6. Step 6: Final answer
    x = 171.95

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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.