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Finding the Fourth Proportional to 168.61, 252.96 and 58.93

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Solution

The fourth proportional to 168.61, 252.96 and 58.93 is: 88.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.61 : 252.96 = 58.93 : x
  2. Step 2: Convert to fraction form
    168.61/252.96 = 58.93/x
  3. Step 3: Cross multiply
    168.61x = 252.96 × 58.93
  4. Step 4: Simplify right side
    168.61x = 14,906.93
  5. Step 5: Solve for x
    x = 14,906.93/168.61
  6. Step 6: Final answer
    x = 88.41

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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.