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Finding the Fourth Proportional to 179,452.88, 247,607.88 and 122,843.60

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Solution

The fourth proportional to 179,452.88, 247,607.88 and 122,843.60 is: 169,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,452.88 : 247,607.88 = 122,843.60 : x
  2. Step 2: Convert to fraction form
    179,452.88/247,607.88 = 122,843.60/x
  3. Step 3: Cross multiply
    179,452.88x = 247,607.88 × 122,843.60
  4. Step 4: Simplify right side
    179,452.88x = 30,417,043,367.57
  5. Step 5: Solve for x
    x = 30,417,043,367.57/179,452.88
  6. Step 6: Final answer
    x = 169,498.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.