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Finding the Fourth Proportional to 168.93, 253.41 and 59.27

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Solution

The fourth proportional to 168.93, 253.41 and 59.27 is: 88.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.93 : 253.41 = 59.27 : x
  2. Step 2: Convert to fraction form
    168.93/253.41 = 59.27/x
  3. Step 3: Cross multiply
    168.93x = 253.41 × 59.27
  4. Step 4: Simplify right side
    168.93x = 15,018.34
  5. Step 5: Solve for x
    x = 15,018.34/168.93
  6. Step 6: Final answer
    x = 88.90

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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.