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Finding the Fourth Proportional to 68,773.74, 103,027.77 and 50,730.18

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Solution

The fourth proportional to 68,773.74, 103,027.77 and 50,730.18 is: 75,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,773.74 : 103,027.77 = 50,730.18 : x
  2. Step 2: Convert to fraction form
    68,773.74/103,027.77 = 50,730.18/x
  3. Step 3: Cross multiply
    68,773.74x = 103,027.77 × 50,730.18
  4. Step 4: Simplify right side
    68,773.74x = 5,226,617,317.10
  5. Step 5: Solve for x
    x = 5,226,617,317.10/68,773.74
  6. Step 6: Final answer
    x = 75,997.28

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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.