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Finding the Fourth Proportional to 68,891.13, 103,240.42 and 37,232.93

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Solution

The fourth proportional to 68,891.13, 103,240.42 and 37,232.93 is: 55,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,891.13 : 103,240.42 = 37,232.93 : x
  2. Step 2: Convert to fraction form
    68,891.13/103,240.42 = 37,232.93/x
  3. Step 3: Cross multiply
    68,891.13x = 103,240.42 × 37,232.93
  4. Step 4: Simplify right side
    68,891.13x = 3,843,943,331.03
  5. Step 5: Solve for x
    x = 3,843,943,331.03/68,891.13
  6. Step 6: Final answer
    x = 55,797.36

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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.