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Finding the Fourth Proportional to 69,439.50, 104,137.74 and 25,060.50

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Solution

The fourth proportional to 69,439.50, 104,137.74 and 25,060.50 is: 37,582.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,439.50 : 104,137.74 = 25,060.50 : x
  2. Step 2: Convert to fraction form
    69,439.50/104,137.74 = 25,060.50/x
  3. Step 3: Cross multiply
    69,439.50x = 104,137.74 × 25,060.50
  4. Step 4: Simplify right side
    69,439.50x = 2,609,743,833.27
  5. Step 5: Solve for x
    x = 2,609,743,833.27/69,439.50
  6. Step 6: Final answer
    x = 37,582.99

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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.