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Finding the Fourth Proportional to 230,676.06, 345,847.95 and 141,745.80

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Solution

The fourth proportional to 230,676.06, 345,847.95 and 141,745.80 is: 212,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,676.06 : 345,847.95 = 141,745.80 : x
  2. Step 2: Convert to fraction form
    230,676.06/345,847.95 = 141,745.80/x
  3. Step 3: Cross multiply
    230,676.06x = 345,847.95 × 141,745.80
  4. Step 4: Simplify right side
    230,676.06x = 49,022,494,351.11
  5. Step 5: Solve for x
    x = 49,022,494,351.11/230,676.06
  6. Step 6: Final answer
    x = 212,516.61

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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.