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Finding the Fourth Proportional to 263,605.46, 395,326.45 and 95,103.88

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Solution

The fourth proportional to 263,605.46, 395,326.45 and 95,103.88 is: 142,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,605.46 : 395,326.45 = 95,103.88 : x
  2. Step 2: Convert to fraction form
    263,605.46/395,326.45 = 95,103.88/x
  3. Step 3: Cross multiply
    263,605.46x = 395,326.45 × 95,103.88
  4. Step 4: Simplify right side
    263,605.46x = 37,597,080,348.42
  5. Step 5: Solve for x
    x = 37,597,080,348.42/263,605.46
  6. Step 6: Final answer
    x = 142,626.34

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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.