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Finding the Fourth Proportional to 263,020.30, 394,566.90 and 94,499.80

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Solution

The fourth proportional to 263,020.30, 394,566.90 and 94,499.80 is: 141,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,020.30 : 394,566.90 = 94,499.80 : x
  2. Step 2: Convert to fraction form
    263,020.30/394,566.90 = 94,499.80/x
  3. Step 3: Cross multiply
    263,020.30x = 394,566.90 × 94,499.80
  4. Step 4: Simplify right side
    263,020.30x = 37,286,493,136.62
  5. Step 5: Solve for x
    x = 37,286,493,136.62/263,020.30
  6. Step 6: Final answer
    x = 141,762.80

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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.