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Finding the Fourth Proportional to 68,043.67, 101,847.13 and 36,374.54

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Solution

The fourth proportional to 68,043.67, 101,847.13 and 36,374.54 is: 54,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,043.67 : 101,847.13 = 36,374.54 : x
  2. Step 2: Convert to fraction form
    68,043.67/101,847.13 = 36,374.54/x
  3. Step 3: Cross multiply
    68,043.67x = 101,847.13 × 36,374.54
  4. Step 4: Simplify right side
    68,043.67x = 3,704,641,903.90
  5. Step 5: Solve for x
    x = 3,704,641,903.90/68,043.67
  6. Step 6: Final answer
    x = 54,445.07

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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.