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Finding the Fourth Proportional to 202.93, 303.18 and 168.41

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Solution

The fourth proportional to 202.93, 303.18 and 168.41 is: 251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.93 : 303.18 = 168.41 : x
  2. Step 2: Convert to fraction form
    202.93/303.18 = 168.41/x
  3. Step 3: Cross multiply
    202.93x = 303.18 × 168.41
  4. Step 4: Simplify right side
    202.93x = 51,058.67
  5. Step 5: Solve for x
    x = 51,058.67/202.93
  6. Step 6: Final answer
    x = 251.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.