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Finding the Fourth Proportional to 252.25, 377.44 and 160.53

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Solution

The fourth proportional to 252.25, 377.44 and 160.53 is: 240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.25 : 377.44 = 160.53 : x
  2. Step 2: Convert to fraction form
    252.25/377.44 = 160.53/x
  3. Step 3: Cross multiply
    252.25x = 377.44 × 160.53
  4. Step 4: Simplify right side
    252.25x = 60,590.44
  5. Step 5: Solve for x
    x = 60,590.44/252.25
  6. Step 6: Final answer
    x = 240.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.