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Finding the Fourth Proportional to 92,789.82, 139,184.67 and 33,625.38

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Solution

The fourth proportional to 92,789.82, 139,184.67 and 33,625.38 is: 50,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,789.82 : 139,184.67 = 33,625.38 : x
  2. Step 2: Convert to fraction form
    92,789.82/139,184.67 = 33,625.38/x
  3. Step 3: Cross multiply
    92,789.82x = 139,184.67 × 33,625.38
  4. Step 4: Simplify right side
    92,789.82x = 4,680,137,418.92
  5. Step 5: Solve for x
    x = 4,680,137,418.92/92,789.82
  6. Step 6: Final answer
    x = 50,438.05

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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.