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Finding the Fourth Proportional to 263,887.99, 395,832.26 and 64,208.36

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Solution

The fourth proportional to 263,887.99, 395,832.26 and 64,208.36 is: 96,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,887.99 : 395,832.26 = 64,208.36 : x
  2. Step 2: Convert to fraction form
    263,887.99/395,832.26 = 64,208.36/x
  3. Step 3: Cross multiply
    263,887.99x = 395,832.26 × 64,208.36
  4. Step 4: Simplify right side
    263,887.99x = 25,415,740,249.69
  5. Step 5: Solve for x
    x = 25,415,740,249.69/263,887.99
  6. Step 6: Final answer
    x = 96,312.61

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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.