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Finding the Fourth Proportional to 263,796.98, 395,692.01 and 64,116.78

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Solution

The fourth proportional to 263,796.98, 395,692.01 and 64,116.78 is: 96,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,796.98 : 395,692.01 = 64,116.78 : x
  2. Step 2: Convert to fraction form
    263,796.98/395,692.01 = 64,116.78/x
  3. Step 3: Cross multiply
    263,796.98x = 395,692.01 × 64,116.78
  4. Step 4: Simplify right side
    263,796.98x = 25,370,497,232.34
  5. Step 5: Solve for x
    x = 25,370,497,232.34/263,796.98
  6. Step 6: Final answer
    x = 96,174.33

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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.