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Finding the Fourth Proportional to 68,917.34, 103,327.41 and 26,762.31

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Solution

The fourth proportional to 68,917.34, 103,327.41 and 26,762.31 is: 40,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,917.34 : 103,327.41 = 26,762.31 : x
  2. Step 2: Convert to fraction form
    68,917.34/103,327.41 = 26,762.31/x
  3. Step 3: Cross multiply
    68,917.34x = 103,327.41 × 26,762.31
  4. Step 4: Simplify right side
    68,917.34x = 2,765,280,177.92
  5. Step 5: Solve for x
    x = 2,765,280,177.92/68,917.34
  6. Step 6: Final answer
    x = 40,124.59

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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.