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Finding the Fourth Proportional to 110.49, 165.70 and 41.96

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Solution

The fourth proportional to 110.49, 165.70 and 41.96 is: 62.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.49 : 165.70 = 41.96 : x
  2. Step 2: Convert to fraction form
    110.49/165.70 = 41.96/x
  3. Step 3: Cross multiply
    110.49x = 165.70 × 41.96
  4. Step 4: Simplify right side
    110.49x = 6,952.77
  5. Step 5: Solve for x
    x = 6,952.77/110.49
  6. Step 6: Final answer
    x = 62.93

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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.