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Finding the Fourth Proportional to 179,940.80, 270,105.60 and 101,208.80

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Solution

The fourth proportional to 179,940.80, 270,105.60 and 101,208.80 is: 151,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,940.80 : 270,105.60 = 101,208.80 : x
  2. Step 2: Convert to fraction form
    179,940.80/270,105.60 = 101,208.80/x
  3. Step 3: Cross multiply
    179,940.80x = 270,105.60 × 101,208.80
  4. Step 4: Simplify right side
    179,940.80x = 27,337,063,649.28
  5. Step 5: Solve for x
    x = 27,337,063,649.28/179,940.80
  6. Step 6: Final answer
    x = 151,922.54

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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.