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Finding the Fourth Proportional to 252.63, 348.63 and 147.73

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Solution

The fourth proportional to 252.63, 348.63 and 147.73 is: 203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.63 : 348.63 = 147.73 : x
  2. Step 2: Convert to fraction form
    252.63/348.63 = 147.73/x
  3. Step 3: Cross multiply
    252.63x = 348.63 × 147.73
  4. Step 4: Simplify right side
    252.63x = 51,503.11
  5. Step 5: Solve for x
    x = 51,503.11/252.63
  6. Step 6: Final answer
    x = 203.87

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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.