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Finding the Fourth Proportional to 69,099.80, 103,623.66 and 22,340.12

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Solution

The fourth proportional to 69,099.80, 103,623.66 and 22,340.12 is: 33,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,099.80 : 103,623.66 = 22,340.12 : x
  2. Step 2: Convert to fraction form
    69,099.80/103,623.66 = 22,340.12/x
  3. Step 3: Cross multiply
    69,099.80x = 103,623.66 × 22,340.12
  4. Step 4: Simplify right side
    69,099.80x = 2,314,964,999.24
  5. Step 5: Solve for x
    x = 2,314,964,999.24/69,099.80
  6. Step 6: Final answer
    x = 33,501.76

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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.