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Finding the Fourth Proportional to 69,496.35, 104,359.84 and 43,367.16

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Solution

The fourth proportional to 69,496.35, 104,359.84 and 43,367.16 is: 65,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,496.35 : 104,359.84 = 43,367.16 : x
  2. Step 2: Convert to fraction form
    69,496.35/104,359.84 = 43,367.16/x
  3. Step 3: Cross multiply
    69,496.35x = 104,359.84 × 43,367.16
  4. Step 4: Simplify right side
    69,496.35x = 4,525,789,878.85
  5. Step 5: Solve for x
    x = 4,525,789,878.85/69,496.35
  6. Step 6: Final answer
    x = 65,122.70

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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.