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Finding the Fourth Proportional to 110.41, 165.74 and 75.93

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Solution

The fourth proportional to 110.41, 165.74 and 75.93 is: 113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.41 : 165.74 = 75.93 : x
  2. Step 2: Convert to fraction form
    110.41/165.74 = 75.93/x
  3. Step 3: Cross multiply
    110.41x = 165.74 × 75.93
  4. Step 4: Simplify right side
    110.41x = 12,583.64
  5. Step 5: Solve for x
    x = 12,583.64/110.41
  6. Step 6: Final answer
    x = 113.97

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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.