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Finding the Fourth Proportional to 110.19, 165.48 and 93.27

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Solution

The fourth proportional to 110.19, 165.48 and 93.27 is: 140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.19 : 165.48 = 93.27 : x
  2. Step 2: Convert to fraction form
    110.19/165.48 = 93.27/x
  3. Step 3: Cross multiply
    110.19x = 165.48 × 93.27
  4. Step 4: Simplify right side
    110.19x = 15,434.32
  5. Step 5: Solve for x
    x = 15,434.32/110.19
  6. Step 6: Final answer
    x = 140.07

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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.