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Finding the Fourth Proportional to 263,017.80, 394,563.15 and 94,497.30

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Solution

The fourth proportional to 263,017.80, 394,563.15 and 94,497.30 is: 141,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,017.80 : 394,563.15 = 94,497.30 : x
  2. Step 2: Convert to fraction form
    263,017.80/394,563.15 = 94,497.30/x
  3. Step 3: Cross multiply
    263,017.80x = 394,563.15 × 94,497.30
  4. Step 4: Simplify right side
    263,017.80x = 37,285,152,354.50
  5. Step 5: Solve for x
    x = 37,285,152,354.50/263,017.80
  6. Step 6: Final answer
    x = 141,759.05

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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.