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Finding the Fourth Proportional to 124.82, 186.26 and 110.60

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Solution

The fourth proportional to 124.82, 186.26 and 110.60 is: 165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.82 : 186.26 = 110.60 : x
  2. Step 2: Convert to fraction form
    124.82/186.26 = 110.60/x
  3. Step 3: Cross multiply
    124.82x = 186.26 × 110.60
  4. Step 4: Simplify right side
    124.82x = 20,600.36
  5. Step 5: Solve for x
    x = 20,600.36/124.82
  6. Step 6: Final answer
    x = 165.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.