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Finding the Fourth Proportional to 125,705.44, 188,563.97 and 41,472.96

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Solution

The fourth proportional to 125,705.44, 188,563.97 and 41,472.96 is: 62,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,705.44 : 188,563.97 = 41,472.96 : x
  2. Step 2: Convert to fraction form
    125,705.44/188,563.97 = 41,472.96/x
  3. Step 3: Cross multiply
    125,705.44x = 188,563.97 × 41,472.96
  4. Step 4: Simplify right side
    125,705.44x = 7,820,305,777.89
  5. Step 5: Solve for x
    x = 7,820,305,777.89/125,705.44
  6. Step 6: Final answer
    x = 62,211.36

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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.