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Finding the Fourth Proportional to 110.35, 165.22 and 56.08

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Solution

The fourth proportional to 110.35, 165.22 and 56.08 is: 83.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.35 : 165.22 = 56.08 : x
  2. Step 2: Convert to fraction form
    110.35/165.22 = 56.08/x
  3. Step 3: Cross multiply
    110.35x = 165.22 × 56.08
  4. Step 4: Simplify right side
    110.35x = 9,265.54
  5. Step 5: Solve for x
    x = 9,265.54/110.35
  6. Step 6: Final answer
    x = 83.96

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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.