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Finding the Fourth Proportional to 69,265.44, 103,816.11 and 31,793.94

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Solution

The fourth proportional to 69,265.44, 103,816.11 and 31,793.94 is: 47,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,265.44 : 103,816.11 = 31,793.94 : x
  2. Step 2: Convert to fraction form
    69,265.44/103,816.11 = 31,793.94/x
  3. Step 3: Cross multiply
    69,265.44x = 103,816.11 × 31,793.94
  4. Step 4: Simplify right side
    69,265.44x = 3,300,723,172.37
  5. Step 5: Solve for x
    x = 3,300,723,172.37/69,265.44
  6. Step 6: Final answer
    x = 47,653.25

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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.