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Finding the Fourth Proportional to 125,611.98, 188,380.50 and 41,356.62

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Solution

The fourth proportional to 125,611.98, 188,380.50 and 41,356.62 is: 62,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,611.98 : 188,380.50 = 41,356.62 : x
  2. Step 2: Convert to fraction form
    125,611.98/188,380.50 = 41,356.62/x
  3. Step 3: Cross multiply
    125,611.98x = 188,380.50 × 41,356.62
  4. Step 4: Simplify right side
    125,611.98x = 7,790,780,753.91
  5. Step 5: Solve for x
    x = 7,790,780,753.91/125,611.98
  6. Step 6: Final answer
    x = 62,022.59

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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.