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Finding the Fourth Proportional to 201,161.73, 301,964.17 and 169,958.71

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Solution

The fourth proportional to 201,161.73, 301,964.17 and 169,958.71 is: 255,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,161.73 : 301,964.17 = 169,958.71 : x
  2. Step 2: Convert to fraction form
    201,161.73/301,964.17 = 169,958.71/x
  3. Step 3: Cross multiply
    201,161.73x = 301,964.17 × 169,958.71
  4. Step 4: Simplify right side
    201,161.73x = 51,321,440,799.42
  5. Step 5: Solve for x
    x = 51,321,440,799.42/201,161.73
  6. Step 6: Final answer
    x = 255,125.27

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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.