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Finding the Fourth Proportional to 68,310.72, 102,480.66 and 23,940.18

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Solution

The fourth proportional to 68,310.72, 102,480.66 and 23,940.18 is: 35,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,310.72 : 102,480.66 = 23,940.18 : x
  2. Step 2: Convert to fraction form
    68,310.72/102,480.66 = 23,940.18/x
  3. Step 3: Cross multiply
    68,310.72x = 102,480.66 × 23,940.18
  4. Step 4: Simplify right side
    68,310.72x = 2,453,405,446.92
  5. Step 5: Solve for x
    x = 2,453,405,446.92/68,310.72
  6. Step 6: Final answer
    x = 35,915.38

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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.