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Finding the Fourth Proportional to 125.50, 188.27 and 44.37

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Solution

The fourth proportional to 125.50, 188.27 and 44.37 is: 66.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.50 : 188.27 = 44.37 : x
  2. Step 2: Convert to fraction form
    125.50/188.27 = 44.37/x
  3. Step 3: Cross multiply
    125.50x = 188.27 × 44.37
  4. Step 4: Simplify right side
    125.50x = 8,353.54
  5. Step 5: Solve for x
    x = 8,353.54/125.50
  6. Step 6: Final answer
    x = 66.56

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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.