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Finding the Fourth Proportional to 69,484.88, 104,226.21 and 22,099.28

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Solution

The fourth proportional to 69,484.88, 104,226.21 and 22,099.28 is: 33,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,484.88 : 104,226.21 = 22,099.28 : x
  2. Step 2: Convert to fraction form
    69,484.88/104,226.21 = 22,099.28/x
  3. Step 3: Cross multiply
    69,484.88x = 104,226.21 × 22,099.28
  4. Step 4: Simplify right side
    69,484.88x = 2,303,324,458.69
  5. Step 5: Solve for x
    x = 2,303,324,458.69/69,484.88
  6. Step 6: Final answer
    x = 33,148.57

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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.