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Finding the Fourth Proportional to 179,930.70, 269,766.45 and 101,069.10

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Solution

The fourth proportional to 179,930.70, 269,766.45 and 101,069.10 is: 151,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,930.70 : 269,766.45 = 101,069.10 : x
  2. Step 2: Convert to fraction form
    179,930.70/269,766.45 = 101,069.10/x
  3. Step 3: Cross multiply
    179,930.70x = 269,766.45 × 101,069.10
  4. Step 4: Simplify right side
    179,930.70x = 27,265,052,311.70
  5. Step 5: Solve for x
    x = 27,265,052,311.70/179,930.70
  6. Step 6: Final answer
    x = 151,530.85

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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.