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Finding the Fourth Proportional to 263,060.70, 394,591.05 and 96,827.10

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Solution

The fourth proportional to 263,060.70, 394,591.05 and 96,827.10 is: 145,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,060.70 : 394,591.05 = 96,827.10 : x
  2. Step 2: Convert to fraction form
    263,060.70/394,591.05 = 96,827.10/x
  3. Step 3: Cross multiply
    263,060.70x = 394,591.05 × 96,827.10
  4. Step 4: Simplify right side
    263,060.70x = 38,207,107,057.46
  5. Step 5: Solve for x
    x = 38,207,107,057.46/263,060.70
  6. Step 6: Final answer
    x = 145,240.65

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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.