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Finding the Fourth Proportional to 92,843.70, 139,180.86 and 33,665.88

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Solution

The fourth proportional to 92,843.70, 139,180.86 and 33,665.88 is: 50,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,843.70 : 139,180.86 = 33,665.88 : x
  2. Step 2: Convert to fraction form
    92,843.70/139,180.86 = 33,665.88/x
  3. Step 3: Cross multiply
    92,843.70x = 139,180.86 × 33,665.88
  4. Step 4: Simplify right side
    92,843.70x = 4,685,646,131.06
  5. Step 5: Solve for x
    x = 4,685,646,131.06/92,843.70
  6. Step 6: Final answer
    x = 50,468.11

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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.