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Finding the Fourth Proportional to 69,464.70, 104,043.45 and 41,816.70

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Solution

The fourth proportional to 69,464.70, 104,043.45 and 41,816.70 is: 62,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,464.70 : 104,043.45 = 41,816.70 : x
  2. Step 2: Convert to fraction form
    69,464.70/104,043.45 = 41,816.70/x
  3. Step 3: Cross multiply
    69,464.70x = 104,043.45 × 41,816.70
  4. Step 4: Simplify right side
    69,464.70x = 4,350,753,735.62
  5. Step 5: Solve for x
    x = 4,350,753,735.62/69,464.70
  6. Step 6: Final answer
    x = 62,632.59

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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.