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Finding the Fourth Proportional to 187,583.38, 281,404.44 and 61,194.42

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Solution

The fourth proportional to 187,583.38, 281,404.44 and 61,194.42 is: 91,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,583.38 : 281,404.44 = 61,194.42 : x
  2. Step 2: Convert to fraction form
    187,583.38/281,404.44 = 61,194.42/x
  3. Step 3: Cross multiply
    187,583.38x = 281,404.44 × 61,194.42
  4. Step 4: Simplify right side
    187,583.38x = 17,220,381,491.22
  5. Step 5: Solve for x
    x = 17,220,381,491.22/187,583.38
  6. Step 6: Final answer
    x = 91,801.21

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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.