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Finding the Fourth Proportional to 66,525.73, 99,797.70 and 22,147.85

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Solution

The fourth proportional to 66,525.73, 99,797.70 and 22,147.85 is: 33,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,525.73 : 99,797.70 = 22,147.85 : x
  2. Step 2: Convert to fraction form
    66,525.73/99,797.70 = 22,147.85/x
  3. Step 3: Cross multiply
    66,525.73x = 99,797.70 × 22,147.85
  4. Step 4: Simplify right side
    66,525.73x = 2,210,304,489.95
  5. Step 5: Solve for x
    x = 2,210,304,489.95/66,525.73
  6. Step 6: Final answer
    x = 33,224.81

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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.