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Finding the Fourth Proportional to 68,891, 103,240.23 and 37,232.81

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Solution

The fourth proportional to 68,891, 103,240.23 and 37,232.81 is: 55,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,891 : 103,240.23 = 37,232.81 : x
  2. Step 2: Convert to fraction form
    68,891/103,240.23 = 37,232.81/x
  3. Step 3: Cross multiply
    68,891x = 103,240.23 × 37,232.81
  4. Step 4: Simplify right side
    68,891x = 3,843,923,867.95
  5. Step 5: Solve for x
    x = 3,843,923,867.95/68,891
  6. Step 6: Final answer
    x = 55,797.18

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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.