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Finding the Fourth Proportional to 68,777.95, 103,169.37 and 22,024.75

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Solution

The fourth proportional to 68,777.95, 103,169.37 and 22,024.75 is: 33,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,777.95 : 103,169.37 = 22,024.75 : x
  2. Step 2: Convert to fraction form
    68,777.95/103,169.37 = 22,024.75/x
  3. Step 3: Cross multiply
    68,777.95x = 103,169.37 × 22,024.75
  4. Step 4: Simplify right side
    68,777.95x = 2,272,279,581.91
  5. Step 5: Solve for x
    x = 2,272,279,581.91/68,777.95
  6. Step 6: Final answer
    x = 33,037.91

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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.