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Finding the Fourth Proportional to 263,551.10, 395,323.15 and 63,873.21

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Solution

The fourth proportional to 263,551.10, 395,323.15 and 63,873.21 is: 95,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,551.10 : 395,323.15 = 63,873.21 : x
  2. Step 2: Convert to fraction form
    263,551.10/395,323.15 = 63,873.21/x
  3. Step 3: Cross multiply
    263,551.10x = 395,323.15 × 63,873.21
  4. Step 4: Simplify right side
    263,551.10x = 25,250,560,028.85
  5. Step 5: Solve for x
    x = 25,250,560,028.85/263,551.10
  6. Step 6: Final answer
    x = 95,808.97

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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.