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Finding the Fourth Proportional to 230,353.15, 345,578.94 and 80,598.33

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Solution

The fourth proportional to 230,353.15, 345,578.94 and 80,598.33 is: 120,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,353.15 : 345,578.94 = 80,598.33 : x
  2. Step 2: Convert to fraction form
    230,353.15/345,578.94 = 80,598.33/x
  3. Step 3: Cross multiply
    230,353.15x = 345,578.94 × 80,598.33
  4. Step 4: Simplify right side
    230,353.15x = 27,853,085,447.17
  5. Step 5: Solve for x
    x = 27,853,085,447.17/230,353.15
  6. Step 6: Final answer
    x = 120,914.71

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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.