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Finding the Fourth Proportional to 69,485, 104,226.40 and 22,099.41

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Solution

The fourth proportional to 69,485, 104,226.40 and 22,099.41 is: 33,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,485 : 104,226.40 = 22,099.41 : x
  2. Step 2: Convert to fraction form
    69,485/104,226.40 = 22,099.41/x
  3. Step 3: Cross multiply
    69,485x = 104,226.40 × 22,099.41
  4. Step 4: Simplify right side
    69,485x = 2,303,341,630.61
  5. Step 5: Solve for x
    x = 2,303,341,630.61/69,485
  6. Step 6: Final answer
    x = 33,148.76

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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.