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Finding the Fourth Proportional to 101,067.60, 151,608.60 and 30,946.80

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Solution

The fourth proportional to 101,067.60, 151,608.60 and 30,946.80 is: 46,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,067.60 : 151,608.60 = 30,946.80 : x
  2. Step 2: Convert to fraction form
    101,067.60/151,608.60 = 30,946.80/x
  3. Step 3: Cross multiply
    101,067.60x = 151,608.60 × 30,946.80
  4. Step 4: Simplify right side
    101,067.60x = 4,691,801,022.48
  5. Step 5: Solve for x
    x = 4,691,801,022.48/101,067.60
  6. Step 6: Final answer
    x = 46,422.40

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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.