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Finding the Fourth Proportional to 125.52, 188.22 and 44.37

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Solution

The fourth proportional to 125.52, 188.22 and 44.37 is: 66.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.52 : 188.22 = 44.37 : x
  2. Step 2: Convert to fraction form
    125.52/188.22 = 44.37/x
  3. Step 3: Cross multiply
    125.52x = 188.22 × 44.37
  4. Step 4: Simplify right side
    125.52x = 8,351.32
  5. Step 5: Solve for x
    x = 8,351.32/125.52
  6. Step 6: Final answer
    x = 66.53

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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.