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Finding the Fourth Proportional to 187,792.26, 281,701.40 and 75,472.57

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Solution

The fourth proportional to 187,792.26, 281,701.40 and 75,472.57 is: 113,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,792.26 : 281,701.40 = 75,472.57 : x
  2. Step 2: Convert to fraction form
    187,792.26/281,701.40 = 75,472.57/x
  3. Step 3: Cross multiply
    187,792.26x = 281,701.40 × 75,472.57
  4. Step 4: Simplify right side
    187,792.26x = 21,260,729,001.50
  5. Step 5: Solve for x
    x = 21,260,729,001.50/187,792.26
  6. Step 6: Final answer
    x = 113,214.09

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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.