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Finding the Fourth Proportional to 263,018.80, 394,564.65 and 94,498.30

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Solution

The fourth proportional to 263,018.80, 394,564.65 and 94,498.30 is: 141,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,018.80 : 394,564.65 = 94,498.30 : x
  2. Step 2: Convert to fraction form
    263,018.80/394,564.65 = 94,498.30/x
  3. Step 3: Cross multiply
    263,018.80x = 394,564.65 × 94,498.30
  4. Step 4: Simplify right side
    263,018.80x = 37,285,688,665.10
  5. Step 5: Solve for x
    x = 37,285,688,665.10/263,018.80
  6. Step 6: Final answer
    x = 141,760.55

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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.