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Finding the Fourth Proportional to 68,777.44, 94,910.16 and 38,969.44

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Solution

The fourth proportional to 68,777.44, 94,910.16 and 38,969.44 is: 53,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,777.44 : 94,910.16 = 38,969.44 : x
  2. Step 2: Convert to fraction form
    68,777.44/94,910.16 = 38,969.44/x
  3. Step 3: Cross multiply
    68,777.44x = 94,910.16 × 38,969.44
  4. Step 4: Simplify right side
    68,777.44x = 3,698,595,785.51
  5. Step 5: Solve for x
    x = 3,698,595,785.51/68,777.44
  6. Step 6: Final answer
    x = 53,776.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.