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Finding the Fourth Proportional to 67,107.36, 100,671.96 and 24,987.60

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Solution

The fourth proportional to 67,107.36, 100,671.96 and 24,987.60 is: 37,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,107.36 : 100,671.96 = 24,987.60 : x
  2. Step 2: Convert to fraction form
    67,107.36/100,671.96 = 24,987.60/x
  3. Step 3: Cross multiply
    67,107.36x = 100,671.96 × 24,987.60
  4. Step 4: Simplify right side
    67,107.36x = 2,515,550,667.70
  5. Step 5: Solve for x
    x = 2,515,550,667.70/67,107.36
  6. Step 6: Final answer
    x = 37,485.47

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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.