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Finding the Fourth Proportional to 263,120.92, 394,680.45 and 94,640.96

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Solution

The fourth proportional to 263,120.92, 394,680.45 and 94,640.96 is: 141,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,120.92 : 394,680.45 = 94,640.96 : x
  2. Step 2: Convert to fraction form
    263,120.92/394,680.45 = 94,640.96/x
  3. Step 3: Cross multiply
    263,120.92x = 394,680.45 × 94,640.96
  4. Step 4: Simplify right side
    263,120.92x = 37,352,936,681.23
  5. Step 5: Solve for x
    x = 37,352,936,681.23/263,120.92
  6. Step 6: Final answer
    x = 141,961.11

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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.