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Finding the Fourth Proportional to 179,940.30, 269,910.45 and 151,946.70

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Solution

The fourth proportional to 179,940.30, 269,910.45 and 151,946.70 is: 227,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,940.30 : 269,910.45 = 151,946.70 : x
  2. Step 2: Convert to fraction form
    179,940.30/269,910.45 = 151,946.70/x
  3. Step 3: Cross multiply
    179,940.30x = 269,910.45 × 151,946.70
  4. Step 4: Simplify right side
    179,940.30x = 41,012,002,173.02
  5. Step 5: Solve for x
    x = 41,012,002,173.02/179,940.30
  6. Step 6: Final answer
    x = 227,920.05

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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.