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Finding the Fourth Proportional to 92,874.56, 139,249.92 and 33,702.53

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Solution

The fourth proportional to 92,874.56, 139,249.92 and 33,702.53 is: 50,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,874.56 : 139,249.92 = 33,702.53 : x
  2. Step 2: Convert to fraction form
    92,874.56/139,249.92 = 33,702.53/x
  3. Step 3: Cross multiply
    92,874.56x = 139,249.92 × 33,702.53
  4. Step 4: Simplify right side
    92,874.56x = 4,693,074,606.30
  5. Step 5: Solve for x
    x = 4,693,074,606.30/92,874.56
  6. Step 6: Final answer
    x = 50,531.33

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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.