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Finding the Fourth Proportional to 263,776.89, 395,584.54 and 95,276.44

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Solution

The fourth proportional to 263,776.89, 395,584.54 and 95,276.44 is: 142,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,776.89 : 395,584.54 = 95,276.44 : x
  2. Step 2: Convert to fraction form
    263,776.89/395,584.54 = 95,276.44/x
  3. Step 3: Cross multiply
    263,776.89x = 395,584.54 × 95,276.44
  4. Step 4: Simplify right side
    263,776.89x = 37,689,886,690.24
  5. Step 5: Solve for x
    x = 37,689,886,690.24/263,776.89
  6. Step 6: Final answer
    x = 142,885.48

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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.