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Finding the Fourth Proportional to 164.85, 247.50 and 110.03

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Solution

The fourth proportional to 164.85, 247.50 and 110.03 is: 165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.85 : 247.50 = 110.03 : x
  2. Step 2: Convert to fraction form
    164.85/247.50 = 110.03/x
  3. Step 3: Cross multiply
    164.85x = 247.50 × 110.03
  4. Step 4: Simplify right side
    164.85x = 27,231.19
  5. Step 5: Solve for x
    x = 27,231.19/164.85
  6. Step 6: Final answer
    x = 165.19

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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.