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Finding the Fourth Proportional to 187,474.26, 281,024.46 and 120,961.11

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Solution

The fourth proportional to 187,474.26, 281,024.46 and 120,961.11 is: 181,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,474.26 : 281,024.46 = 120,961.11 : x
  2. Step 2: Convert to fraction form
    187,474.26/281,024.46 = 120,961.11/x
  3. Step 3: Cross multiply
    187,474.26x = 281,024.46 × 120,961.11
  4. Step 4: Simplify right side
    187,474.26x = 33,993,030,618.75
  5. Step 5: Solve for x
    x = 33,993,030,618.75/187,474.26
  6. Step 6: Final answer
    x = 181,321.06

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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.