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Finding the Fourth Proportional to 168.50, 232.58 and 110.36

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Solution

The fourth proportional to 168.50, 232.58 and 110.36 is: 152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.50 : 232.58 = 110.36 : x
  2. Step 2: Convert to fraction form
    168.50/232.58 = 110.36/x
  3. Step 3: Cross multiply
    168.50x = 232.58 × 110.36
  4. Step 4: Simplify right side
    168.50x = 25,666.98
  5. Step 5: Solve for x
    x = 25,666.98/168.50
  6. Step 6: Final answer
    x = 152.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.