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Finding the Fourth Proportional to 187,791.53, 281,747.50 and 54,679.77

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Solution

The fourth proportional to 187,791.53, 281,747.50 and 54,679.77 is: 82,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,791.53 : 281,747.50 = 54,679.77 : x
  2. Step 2: Convert to fraction form
    187,791.53/281,747.50 = 54,679.77/x
  3. Step 3: Cross multiply
    187,791.53x = 281,747.50 × 54,679.77
  4. Step 4: Simplify right side
    187,791.53x = 15,405,888,361.38
  5. Step 5: Solve for x
    x = 15,405,888,361.38/187,791.53
  6. Step 6: Final answer
    x = 82,037.19

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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.