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Finding the Fourth Proportional to 103,680.70, 155,481.99 and 33,541.18

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Solution

The fourth proportional to 103,680.70, 155,481.99 and 33,541.18 is: 50,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680.70 : 155,481.99 = 33,541.18 : x
  2. Step 2: Convert to fraction form
    103,680.70/155,481.99 = 33,541.18/x
  3. Step 3: Cross multiply
    103,680.70x = 155,481.99 × 33,541.18
  4. Step 4: Simplify right side
    103,680.70x = 5,215,049,413.35
  5. Step 5: Solve for x
    x = 5,215,049,413.35/103,680.70
  6. Step 6: Final answer
    x = 50,299.13

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1.5x scale

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.