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Finding the Fourth Proportional to 69,753.87, 104,571.99 and 30,281.27

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Solution

The fourth proportional to 69,753.87, 104,571.99 and 30,281.27 is: 45,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,753.87 : 104,571.99 = 30,281.27 : x
  2. Step 2: Convert to fraction form
    69,753.87/104,571.99 = 30,281.27/x
  3. Step 3: Cross multiply
    69,753.87x = 104,571.99 × 30,281.27
  4. Step 4: Simplify right side
    69,753.87x = 3,166,572,140.77
  5. Step 5: Solve for x
    x = 3,166,572,140.77/69,753.87
  6. Step 6: Final answer
    x = 45,396.36

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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.