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Finding the Fourth Proportional to 67,164.81, 92,685.09 and 36,949.81

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Solution

The fourth proportional to 67,164.81, 92,685.09 and 36,949.81 is: 50,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,164.81 : 92,685.09 = 36,949.81 : x
  2. Step 2: Convert to fraction form
    67,164.81/92,685.09 = 36,949.81/x
  3. Step 3: Cross multiply
    67,164.81x = 92,685.09 × 36,949.81
  4. Step 4: Simplify right side
    67,164.81x = 3,424,696,233.62
  5. Step 5: Solve for x
    x = 3,424,696,233.62/67,164.81
  6. Step 6: Final answer
    x = 50,989.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.