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Finding the Fourth Proportional to 117,067.60, 175,601.40 and 57,944.80

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Solution

The fourth proportional to 117,067.60, 175,601.40 and 57,944.80 is: 86,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,067.60 : 175,601.40 = 57,944.80 : x
  2. Step 2: Convert to fraction form
    117,067.60/175,601.40 = 57,944.80/x
  3. Step 3: Cross multiply
    117,067.60x = 175,601.40 × 57,944.80
  4. Step 4: Simplify right side
    117,067.60x = 10,175,188,002.72
  5. Step 5: Solve for x
    x = 10,175,188,002.72/117,067.60
  6. Step 6: Final answer
    x = 86,917.20

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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.