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Finding the Fourth Proportional to 67,193.81, 92,736.03 and 43,389.69

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Solution

The fourth proportional to 67,193.81, 92,736.03 and 43,389.69 is: 59,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,193.81 : 92,736.03 = 43,389.69 : x
  2. Step 2: Convert to fraction form
    67,193.81/92,736.03 = 43,389.69/x
  3. Step 3: Cross multiply
    67,193.81x = 92,736.03 × 43,389.69
  4. Step 4: Simplify right side
    67,193.81x = 4,023,787,593.53
  5. Step 5: Solve for x
    x = 4,023,787,593.53/67,193.81
  6. Step 6: Final answer
    x = 59,883.31

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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.