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Finding the Fourth Proportional to 125.26, 187.94 and 44.11

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Solution

The fourth proportional to 125.26, 187.94 and 44.11 is: 66.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.26 : 187.94 = 44.11 : x
  2. Step 2: Convert to fraction form
    125.26/187.94 = 44.11/x
  3. Step 3: Cross multiply
    125.26x = 187.94 × 44.11
  4. Step 4: Simplify right side
    125.26x = 8,290.38
  5. Step 5: Solve for x
    x = 8,290.38/125.26
  6. Step 6: Final answer
    x = 66.19

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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.