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Finding the Fourth Proportional to 92,734.97, 139,112.67 and 29,540.39

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Solution

The fourth proportional to 92,734.97, 139,112.67 and 29,540.39 is: 44,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,734.97 : 139,112.67 = 29,540.39 : x
  2. Step 2: Convert to fraction form
    92,734.97/139,112.67 = 29,540.39/x
  3. Step 3: Cross multiply
    92,734.97x = 139,112.67 × 29,540.39
  4. Step 4: Simplify right side
    92,734.97x = 4,109,441,830.18
  5. Step 5: Solve for x
    x = 4,109,441,830.18/92,734.97
  6. Step 6: Final answer
    x = 44,313.83

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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.