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Finding the Fourth Proportional to 179,871.88, 269,797.74 and 55,212.52

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Solution

The fourth proportional to 179,871.88, 269,797.74 and 55,212.52 is: 82,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,871.88 : 269,797.74 = 55,212.52 : x
  2. Step 2: Convert to fraction form
    179,871.88/269,797.74 = 55,212.52/x
  3. Step 3: Cross multiply
    179,871.88x = 269,797.74 × 55,212.52
  4. Step 4: Simplify right side
    179,871.88x = 14,896,213,115.70
  5. Step 5: Solve for x
    x = 14,896,213,115.70/179,871.88
  6. Step 6: Final answer
    x = 82,815.69

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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.