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Finding the Fourth Proportional to 252.73, 348.76 and 147.82

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Solution

The fourth proportional to 252.73, 348.76 and 147.82 is: 203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.73 : 348.76 = 147.82 : x
  2. Step 2: Convert to fraction form
    252.73/348.76 = 147.82/x
  3. Step 3: Cross multiply
    252.73x = 348.76 × 147.82
  4. Step 4: Simplify right side
    252.73x = 51,554.07
  5. Step 5: Solve for x
    x = 51,554.07/252.73
  6. Step 6: Final answer
    x = 203.99

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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.