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Finding the Fourth Proportional to 110.22, 165.33 and 56.08

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Solution

The fourth proportional to 110.22, 165.33 and 56.08 is: 84.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.22 : 165.33 = 56.08 : x
  2. Step 2: Convert to fraction form
    110.22/165.33 = 56.08/x
  3. Step 3: Cross multiply
    110.22x = 165.33 × 56.08
  4. Step 4: Simplify right side
    110.22x = 9,271.43
  5. Step 5: Solve for x
    x = 9,271.43/110.22
  6. Step 6: Final answer
    x = 84.12

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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.