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Finding the Fourth Proportional to 103,984.86, 155,990.25 and 33,845.34

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Solution

The fourth proportional to 103,984.86, 155,990.25 and 33,845.34 is: 50,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,984.86 : 155,990.25 = 33,845.34 : x
  2. Step 2: Convert to fraction form
    103,984.86/155,990.25 = 33,845.34/x
  3. Step 3: Cross multiply
    103,984.86x = 155,990.25 × 33,845.34
  4. Step 4: Simplify right side
    103,984.86x = 5,279,543,047.94
  5. Step 5: Solve for x
    x = 5,279,543,047.94/103,984.86
  6. Step 6: Final answer
    x = 50,772.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.