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Finding the Fourth Proportional to 169,497.20, 254,245.80 and 103,067.60

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Solution

The fourth proportional to 169,497.20, 254,245.80 and 103,067.60 is: 154,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,497.20 : 254,245.80 = 103,067.60 : x
  2. Step 2: Convert to fraction form
    169,497.20/254,245.80 = 103,067.60/x
  3. Step 3: Cross multiply
    169,497.20x = 254,245.80 × 103,067.60
  4. Step 4: Simplify right side
    169,497.20x = 26,204,504,416.08
  5. Step 5: Solve for x
    x = 26,204,504,416.08/169,497.20
  6. Step 6: Final answer
    x = 154,601.40

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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.