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Finding the Fourth Proportional to 248.25, 342.59 and 182.85

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Solution

The fourth proportional to 248.25, 342.59 and 182.85 is: 252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.25 : 342.59 = 182.85 : x
  2. Step 2: Convert to fraction form
    248.25/342.59 = 182.85/x
  3. Step 3: Cross multiply
    248.25x = 342.59 × 182.85
  4. Step 4: Simplify right side
    248.25x = 62,642.58
  5. Step 5: Solve for x
    x = 62,642.58/248.25
  6. Step 6: Final answer
    x = 252.34

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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.