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Finding the Fourth Proportional to 263,744.64, 395,611.38 and 64,065.96

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Solution

The fourth proportional to 263,744.64, 395,611.38 and 64,065.96 is: 96,097.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,744.64 : 395,611.38 = 64,065.96 : x
  2. Step 2: Convert to fraction form
    263,744.64/395,611.38 = 64,065.96/x
  3. Step 3: Cross multiply
    263,744.64x = 395,611.38 × 64,065.96
  4. Step 4: Simplify right side
    263,744.64x = 25,345,222,846.62
  5. Step 5: Solve for x
    x = 25,345,222,846.62/263,744.64
  6. Step 6: Final answer
    x = 96,097.58

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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.