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Finding the Fourth Proportional to 67,308.60, 100,954.44 and 25,190.22

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Solution

The fourth proportional to 67,308.60, 100,954.44 and 25,190.22 is: 37,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,308.60 : 100,954.44 = 25,190.22 : x
  2. Step 2: Convert to fraction form
    67,308.60/100,954.44 = 25,190.22/x
  3. Step 3: Cross multiply
    67,308.60x = 100,954.44 × 25,190.22
  4. Step 4: Simplify right side
    67,308.60x = 2,543,064,553.58
  5. Step 5: Solve for x
    x = 2,543,064,553.58/67,308.60
  6. Step 6: Final answer
    x = 37,782.16

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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.