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Finding the Fourth Proportional to 67,909.11, 101,801.31 and 23,504.81

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Solution

The fourth proportional to 67,909.11, 101,801.31 and 23,504.81 is: 35,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,909.11 : 101,801.31 = 23,504.81 : x
  2. Step 2: Convert to fraction form
    67,909.11/101,801.31 = 23,504.81/x
  3. Step 3: Cross multiply
    67,909.11x = 101,801.31 × 23,504.81
  4. Step 4: Simplify right side
    67,909.11x = 2,392,820,331.78
  5. Step 5: Solve for x
    x = 2,392,820,331.78/67,909.11
  6. Step 6: Final answer
    x = 35,235.63

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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.