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Finding the Fourth Proportional to 110.43, 165.94 and 59.11

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Solution

The fourth proportional to 110.43, 165.94 and 59.11 is: 88.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.43 : 165.94 = 59.11 : x
  2. Step 2: Convert to fraction form
    110.43/165.94 = 59.11/x
  3. Step 3: Cross multiply
    110.43x = 165.94 × 59.11
  4. Step 4: Simplify right side
    110.43x = 9,808.71
  5. Step 5: Solve for x
    x = 9,808.71/110.43
  6. Step 6: Final answer
    x = 88.82

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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.