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Finding the Fourth Proportional to 69,892.66, 104,859.44 and 22,506.70

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Solution

The fourth proportional to 69,892.66, 104,859.44 and 22,506.70 is: 33,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,892.66 : 104,859.44 = 22,506.70 : x
  2. Step 2: Convert to fraction form
    69,892.66/104,859.44 = 22,506.70/x
  3. Step 3: Cross multiply
    69,892.66x = 104,859.44 × 22,506.70
  4. Step 4: Simplify right side
    69,892.66x = 2,360,039,958.25
  5. Step 5: Solve for x
    x = 2,360,039,958.25/69,892.66
  6. Step 6: Final answer
    x = 33,766.64

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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.