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Finding the Fourth Proportional to 69,168.70, 103,846.34 and 44,257.38

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Solution

The fourth proportional to 69,168.70, 103,846.34 and 44,257.38 is: 66,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,168.70 : 103,846.34 = 44,257.38 : x
  2. Step 2: Convert to fraction form
    69,168.70/103,846.34 = 44,257.38/x
  3. Step 3: Cross multiply
    69,168.70x = 103,846.34 × 44,257.38
  4. Step 4: Simplify right side
    69,168.70x = 4,595,966,930.99
  5. Step 5: Solve for x
    x = 4,595,966,930.99/69,168.70
  6. Step 6: Final answer
    x = 66,445.76

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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.