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Finding the Fourth Proportional to 68,684.09, 103,064.42 and 37,093.49

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Solution

The fourth proportional to 68,684.09, 103,064.42 and 37,093.49 is: 55,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,684.09 : 103,064.42 = 37,093.49 : x
  2. Step 2: Convert to fraction form
    68,684.09/103,064.42 = 37,093.49/x
  3. Step 3: Cross multiply
    68,684.09x = 103,064.42 × 37,093.49
  4. Step 4: Simplify right side
    68,684.09x = 3,823,018,331.84
  5. Step 5: Solve for x
    x = 3,823,018,331.84/68,684.09
  6. Step 6: Final answer
    x = 55,660.90

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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.