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Finding the Fourth Proportional to 69,388.48, 104,082.72 and 16,797.96

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Solution

The fourth proportional to 69,388.48, 104,082.72 and 16,797.96 is: 25,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,388.48 : 104,082.72 = 16,797.96 : x
  2. Step 2: Convert to fraction form
    69,388.48/104,082.72 = 16,797.96/x
  3. Step 3: Cross multiply
    69,388.48x = 104,082.72 × 16,797.96
  4. Step 4: Simplify right side
    69,388.48x = 1,748,377,367.25
  5. Step 5: Solve for x
    x = 1,748,377,367.25/69,388.48
  6. Step 6: Final answer
    x = 25,196.94

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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.