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Finding the Fourth Proportional to 67,399.94, 101,112.86 and 25,843.70

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Solution

The fourth proportional to 67,399.94, 101,112.86 and 25,843.70 is: 38,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,399.94 : 101,112.86 = 25,843.70 : x
  2. Step 2: Convert to fraction form
    67,399.94/101,112.86 = 25,843.70/x
  3. Step 3: Cross multiply
    67,399.94x = 101,112.86 × 25,843.70
  4. Step 4: Simplify right side
    67,399.94x = 2,613,130,419.98
  5. Step 5: Solve for x
    x = 2,613,130,419.98/67,399.94
  6. Step 6: Final answer
    x = 38,770.52

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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.