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Finding the Fourth Proportional to 67,243.50, 92,764.89 and 43,377.87

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Solution

The fourth proportional to 67,243.50, 92,764.89 and 43,377.87 is: 59,841.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,243.50 : 92,764.89 = 43,377.87 : x
  2. Step 2: Convert to fraction form
    67,243.50/92,764.89 = 43,377.87/x
  3. Step 3: Cross multiply
    67,243.50x = 92,764.89 × 43,377.87
  4. Step 4: Simplify right side
    67,243.50x = 4,023,943,338.98
  5. Step 5: Solve for x
    x = 4,023,943,338.98/67,243.50
  6. Step 6: Final answer
    x = 59,841.37

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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.