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Finding the Fourth Proportional to 69,466.99, 104,200.74 and 16,876.48

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Solution

The fourth proportional to 69,466.99, 104,200.74 and 16,876.48 is: 25,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,466.99 : 104,200.74 = 16,876.48 : x
  2. Step 2: Convert to fraction form
    69,466.99/104,200.74 = 16,876.48/x
  3. Step 3: Cross multiply
    69,466.99x = 104,200.74 × 16,876.48
  4. Step 4: Simplify right side
    69,466.99x = 1,758,541,183.59
  5. Step 5: Solve for x
    x = 1,758,541,183.59/69,466.99
  6. Step 6: Final answer
    x = 25,314.77

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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.