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Finding the Fourth Proportional to 69,486.75, 104,229.02 and 22,101.16

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Solution

The fourth proportional to 69,486.75, 104,229.02 and 22,101.16 is: 33,151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,486.75 : 104,229.02 = 22,101.16 : x
  2. Step 2: Convert to fraction form
    69,486.75/104,229.02 = 22,101.16/x
  3. Step 3: Cross multiply
    69,486.75x = 104,229.02 × 22,101.16
  4. Step 4: Simplify right side
    69,486.75x = 2,303,582,247.66
  5. Step 5: Solve for x
    x = 2,303,582,247.66/69,486.75
  6. Step 6: Final answer
    x = 33,151.39

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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.