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Finding the Fourth Proportional to 263,793.60, 395,686.84 and 64,113.41

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Solution

The fourth proportional to 263,793.60, 395,686.84 and 64,113.41 is: 96,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,793.60 : 395,686.84 = 64,113.41 : x
  2. Step 2: Convert to fraction form
    263,793.60/395,686.84 = 64,113.41/x
  3. Step 3: Cross multiply
    263,793.60x = 395,686.84 × 64,113.41
  4. Step 4: Simplify right side
    263,793.60x = 25,368,832,604.52
  5. Step 5: Solve for x
    x = 25,368,832,604.52/263,793.60
  6. Step 6: Final answer
    x = 96,169.25

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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.