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Finding the Fourth Proportional to 67,937.25, 101,448.38 and 55,481.98

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Solution

The fourth proportional to 67,937.25, 101,448.38 and 55,481.98 is: 82,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,937.25 : 101,448.38 = 55,481.98 : x
  2. Step 2: Convert to fraction form
    67,937.25/101,448.38 = 55,481.98/x
  3. Step 3: Cross multiply
    67,937.25x = 101,448.38 × 55,481.98
  4. Step 4: Simplify right side
    67,937.25x = 5,628,556,736.57
  5. Step 5: Solve for x
    x = 5,628,556,736.57/67,937.25
  6. Step 6: Final answer
    x = 82,849.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.