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Finding the Fourth Proportional to 230,843.06, 318,563.73 and 130,250.42

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Solution

The fourth proportional to 230,843.06, 318,563.73 and 130,250.42 is: 179,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,843.06 : 318,563.73 = 130,250.42 : x
  2. Step 2: Convert to fraction form
    230,843.06/318,563.73 = 130,250.42/x
  3. Step 3: Cross multiply
    230,843.06x = 318,563.73 × 130,250.42
  4. Step 4: Simplify right side
    230,843.06x = 41,493,059,629.27
  5. Step 5: Solve for x
    x = 41,493,059,629.27/230,843.06
  6. Step 6: Final answer
    x = 179,745.75

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1.5x scale

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.