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Finding the Fourth Proportional to 168.01, 251.88 and 59.74

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Solution

The fourth proportional to 168.01, 251.88 and 59.74 is: 89.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.01 : 251.88 = 59.74 : x
  2. Step 2: Convert to fraction form
    168.01/251.88 = 59.74/x
  3. Step 3: Cross multiply
    168.01x = 251.88 × 59.74
  4. Step 4: Simplify right side
    168.01x = 15,047.31
  5. Step 5: Solve for x
    x = 15,047.31/168.01
  6. Step 6: Final answer
    x = 89.56

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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.