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Finding the Fourth Proportional to 107,374.44, 160,940.13 and 54,672.60

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Solution

The fourth proportional to 107,374.44, 160,940.13 and 54,672.60 is: 81,947.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,374.44 : 160,940.13 = 54,672.60 : x
  2. Step 2: Convert to fraction form
    107,374.44/160,940.13 = 54,672.60/x
  3. Step 3: Cross multiply
    107,374.44x = 160,940.13 × 54,672.60
  4. Step 4: Simplify right side
    107,374.44x = 8,799,015,351.44
  5. Step 5: Solve for x
    x = 8,799,015,351.44/107,374.44
  6. Step 6: Final answer
    x = 81,947.02

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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.