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Finding the Fourth Proportional to 155.75, 233.22 and 110.03

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Solution

The fourth proportional to 155.75, 233.22 and 110.03 is: 164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.75 : 233.22 = 110.03 : x
  2. Step 2: Convert to fraction form
    155.75/233.22 = 110.03/x
  3. Step 3: Cross multiply
    155.75x = 233.22 × 110.03
  4. Step 4: Simplify right side
    155.75x = 25,661.20
  5. Step 5: Solve for x
    x = 25,661.20/155.75
  6. Step 6: Final answer
    x = 164.76

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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.