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Finding the Fourth Proportional to 263,773.08, 395,018.10 and 123,571.80

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Solution

The fourth proportional to 263,773.08, 395,018.10 and 123,571.80 is: 185,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,773.08 : 395,018.10 = 123,571.80 : x
  2. Step 2: Convert to fraction form
    263,773.08/395,018.10 = 123,571.80/x
  3. Step 3: Cross multiply
    263,773.08x = 395,018.10 × 123,571.80
  4. Step 4: Simplify right side
    263,773.08x = 48,813,097,649.58
  5. Step 5: Solve for x
    x = 48,813,097,649.58/263,773.08
  6. Step 6: Final answer
    x = 185,057.16

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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.