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Finding the Fourth Proportional to 252.11, 377.71 and 160.63

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Solution

The fourth proportional to 252.11, 377.71 and 160.63 is: 240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.11 : 377.71 = 160.63 : x
  2. Step 2: Convert to fraction form
    252.11/377.71 = 160.63/x
  3. Step 3: Cross multiply
    252.11x = 377.71 × 160.63
  4. Step 4: Simplify right side
    252.11x = 60,670.21
  5. Step 5: Solve for x
    x = 60,670.21/252.11
  6. Step 6: Final answer
    x = 240.65

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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.