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Finding the Fourth Proportional to 67,485.69, 101,218.17 and 22,507.84

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Solution

The fourth proportional to 67,485.69, 101,218.17 and 22,507.84 is: 33,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,485.69 : 101,218.17 = 22,507.84 : x
  2. Step 2: Convert to fraction form
    67,485.69/101,218.17 = 22,507.84/x
  3. Step 3: Cross multiply
    67,485.69x = 101,218.17 × 22,507.84
  4. Step 4: Simplify right side
    67,485.69x = 2,278,202,375.45
  5. Step 5: Solve for x
    x = 2,278,202,375.45/67,485.69
  6. Step 6: Final answer
    x = 33,758.30

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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.