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Finding the Fourth Proportional to 187,774.89, 281,706.65 and 61,414.66

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Solution

The fourth proportional to 187,774.89, 281,706.65 and 61,414.66 is: 92,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,774.89 : 281,706.65 = 61,414.66 : x
  2. Step 2: Convert to fraction form
    187,774.89/281,706.65 = 61,414.66/x
  3. Step 3: Cross multiply
    187,774.89x = 281,706.65 × 61,414.66
  4. Step 4: Simplify right side
    187,774.89x = 17,300,918,129.49
  5. Step 5: Solve for x
    x = 17,300,918,129.49/187,774.89
  6. Step 6: Final answer
    x = 92,136.48

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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.