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Finding the Fourth Proportional to 263,414.59, 394,879.69 and 94,893.71

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Solution

The fourth proportional to 263,414.59, 394,879.69 and 94,893.71 is: 142,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,414.59 : 394,879.69 = 94,893.71 : x
  2. Step 2: Convert to fraction form
    263,414.59/394,879.69 = 94,893.71/x
  3. Step 3: Cross multiply
    263,414.59x = 394,879.69 × 94,893.71
  4. Step 4: Simplify right side
    263,414.59x = 37,471,596,931.97
  5. Step 5: Solve for x
    x = 37,471,596,931.97/263,414.59
  6. Step 6: Final answer
    x = 142,253.31

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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.