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Finding the Fourth Proportional to 179,997.19, 270,039.52 and 55,338.19

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Solution

The fourth proportional to 179,997.19, 270,039.52 and 55,338.19 is: 83,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,997.19 : 270,039.52 = 55,338.19 : x
  2. Step 2: Convert to fraction form
    179,997.19/270,039.52 = 55,338.19/x
  3. Step 3: Cross multiply
    179,997.19x = 270,039.52 × 55,338.19
  4. Step 4: Simplify right side
    179,997.19x = 14,943,497,659.34
  5. Step 5: Solve for x
    x = 14,943,497,659.34/179,997.19
  6. Step 6: Final answer
    x = 83,020.73

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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.