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Finding the Fourth Proportional to 263,805.08, 395,704.10 and 64,124.92

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Solution

The fourth proportional to 263,805.08, 395,704.10 and 64,124.92 is: 96,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,805.08 : 395,704.10 = 64,124.92 : x
  2. Step 2: Convert to fraction form
    263,805.08/395,704.10 = 64,124.92/x
  3. Step 3: Cross multiply
    263,805.08x = 395,704.10 × 64,124.92
  4. Step 4: Simplify right side
    263,805.08x = 25,374,493,756.17
  5. Step 5: Solve for x
    x = 25,374,493,756.17/263,805.08
  6. Step 6: Final answer
    x = 96,186.52

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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.