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Finding the Fourth Proportional to 67,396.56, 92,940.81 and 52,283.70

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Solution

The fourth proportional to 67,396.56, 92,940.81 and 52,283.70 is: 72,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,396.56 : 92,940.81 = 52,283.70 : x
  2. Step 2: Convert to fraction form
    67,396.56/92,940.81 = 52,283.70/x
  3. Step 3: Cross multiply
    67,396.56x = 92,940.81 × 52,283.70
  4. Step 4: Simplify right side
    67,396.56x = 4,859,289,427.80
  5. Step 5: Solve for x
    x = 4,859,289,427.80/67,396.56
  6. Step 6: Final answer
    x = 72,099.96

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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.