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Finding the Fourth Proportional to 263,321, 363,383.22 and 144,089

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Solution

The fourth proportional to 263,321, 363,383.22 and 144,089 is: 198,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,321 : 363,383.22 = 144,089 : x
  2. Step 2: Convert to fraction form
    263,321/363,383.22 = 144,089/x
  3. Step 3: Cross multiply
    263,321x = 363,383.22 × 144,089
  4. Step 4: Simplify right side
    263,321x = 52,359,524,786.58
  5. Step 5: Solve for x
    x = 52,359,524,786.58/263,321
  6. Step 6: Final answer
    x = 198,842.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.