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Finding the Fourth Proportional to 170,067.60, 254,809.80 and 110,872.80

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Solution

The fourth proportional to 170,067.60, 254,809.80 and 110,872.80 is: 166,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,067.60 : 254,809.80 = 110,872.80 : x
  2. Step 2: Convert to fraction form
    170,067.60/254,809.80 = 110,872.80/x
  3. Step 3: Cross multiply
    170,067.60x = 254,809.80 × 110,872.80
  4. Step 4: Simplify right side
    170,067.60x = 28,251,475,993.44
  5. Step 5: Solve for x
    x = 28,251,475,993.44/170,067.60
  6. Step 6: Final answer
    x = 166,119.10

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1.5x scale

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.