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Finding the Fourth Proportional to 67,909.80, 101,840.30 and 23,524.60

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Solution

The fourth proportional to 67,909.80, 101,840.30 and 23,524.60 is: 35,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,909.80 : 101,840.30 = 23,524.60 : x
  2. Step 2: Convert to fraction form
    67,909.80/101,840.30 = 23,524.60/x
  3. Step 3: Cross multiply
    67,909.80x = 101,840.30 × 23,524.60
  4. Step 4: Simplify right side
    67,909.80x = 2,395,752,321.38
  5. Step 5: Solve for x
    x = 2,395,752,321.38/67,909.80
  6. Step 6: Final answer
    x = 35,278.45

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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.