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Finding the Fourth Proportional to 119,791.71, 179,574.57 and 53,241.30

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Solution

The fourth proportional to 119,791.71, 179,574.57 and 53,241.30 is: 79,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,791.71 : 179,574.57 = 53,241.30 : x
  2. Step 2: Convert to fraction form
    119,791.71/179,574.57 = 53,241.30/x
  3. Step 3: Cross multiply
    119,791.71x = 179,574.57 × 53,241.30
  4. Step 4: Simplify right side
    119,791.71x = 9,560,783,553.74
  5. Step 5: Solve for x
    x = 9,560,783,553.74/119,791.71
  6. Step 6: Final answer
    x = 79,811.73

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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.