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Finding the Fourth Proportional to 69,477.92, 104,205.99 and 22,086.80

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Solution

The fourth proportional to 69,477.92, 104,205.99 and 22,086.80 is: 33,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,477.92 : 104,205.99 = 22,086.80 : x
  2. Step 2: Convert to fraction form
    69,477.92/104,205.99 = 22,086.80/x
  3. Step 3: Cross multiply
    69,477.92x = 104,205.99 × 22,086.80
  4. Step 4: Simplify right side
    69,477.92x = 2,301,576,859.93
  5. Step 5: Solve for x
    x = 2,301,576,859.93/69,477.92
  6. Step 6: Final answer
    x = 33,126.74

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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.