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Finding the Fourth Proportional to 67,481.88, 101,284.23 and 35,918.43

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Solution

The fourth proportional to 67,481.88, 101,284.23 and 35,918.43 is: 53,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,481.88 : 101,284.23 = 35,918.43 : x
  2. Step 2: Convert to fraction form
    67,481.88/101,284.23 = 35,918.43/x
  3. Step 3: Cross multiply
    67,481.88x = 101,284.23 × 35,918.43
  4. Step 4: Simplify right side
    67,481.88x = 3,637,970,525.36
  5. Step 5: Solve for x
    x = 3,637,970,525.36/67,481.88
  6. Step 6: Final answer
    x = 53,910.33

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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.