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Finding the Fourth Proportional to 110.45, 165.67 and 62.25

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Solution

The fourth proportional to 110.45, 165.67 and 62.25 is: 93.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.45 : 165.67 = 62.25 : x
  2. Step 2: Convert to fraction form
    110.45/165.67 = 62.25/x
  3. Step 3: Cross multiply
    110.45x = 165.67 × 62.25
  4. Step 4: Simplify right side
    110.45x = 10,312.80
  5. Step 5: Solve for x
    x = 10,312.80/110.45
  6. Step 6: Final answer
    x = 93.38

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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.