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Finding the Fourth Proportional to 103,696.62, 155,512.05 and 33,559.50

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Solution

The fourth proportional to 103,696.62, 155,512.05 and 33,559.50 is: 50,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,696.62 : 155,512.05 = 33,559.50 : x
  2. Step 2: Convert to fraction form
    103,696.62/155,512.05 = 33,559.50/x
  3. Step 3: Cross multiply
    103,696.62x = 155,512.05 × 33,559.50
  4. Step 4: Simplify right side
    103,696.62x = 5,218,906,641.98
  5. Step 5: Solve for x
    x = 5,218,906,641.98/103,696.62
  6. Step 6: Final answer
    x = 50,328.61

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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.