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Finding the Fourth Proportional to 263,499.68, 395,179.20 and 73,948.88

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Solution

The fourth proportional to 263,499.68, 395,179.20 and 73,948.88 is: 110,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,499.68 : 395,179.20 = 73,948.88 : x
  2. Step 2: Convert to fraction form
    263,499.68/395,179.20 = 73,948.88/x
  3. Step 3: Cross multiply
    263,499.68x = 395,179.20 × 73,948.88
  4. Step 4: Simplify right side
    263,499.68x = 29,223,059,239.30
  5. Step 5: Solve for x
    x = 29,223,059,239.30/263,499.68
  6. Step 6: Final answer
    x = 110,903.59

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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.