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Finding the Fourth Proportional to 187,755.30, 281,603.52 and 61,394.49

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Solution

The fourth proportional to 187,755.30, 281,603.52 and 61,394.49 is: 92,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,755.30 : 281,603.52 = 61,394.49 : x
  2. Step 2: Convert to fraction form
    187,755.30/281,603.52 = 61,394.49/x
  3. Step 3: Cross multiply
    187,755.30x = 281,603.52 × 61,394.49
  4. Step 4: Simplify right side
    187,755.30x = 17,288,904,492.60
  5. Step 5: Solve for x
    x = 17,288,904,492.60/187,755.30
  6. Step 6: Final answer
    x = 92,082.11

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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.