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Finding the Fourth Proportional to 95,540.50, 143,310.75 and 33,211

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Solution

The fourth proportional to 95,540.50, 143,310.75 and 33,211 is: 49,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,540.50 : 143,310.75 = 33,211 : x
  2. Step 2: Convert to fraction form
    95,540.50/143,310.75 = 33,211/x
  3. Step 3: Cross multiply
    95,540.50x = 143,310.75 × 33,211
  4. Step 4: Simplify right side
    95,540.50x = 4,759,493,318.25
  5. Step 5: Solve for x
    x = 4,759,493,318.25/95,540.50
  6. Step 6: Final answer
    x = 49,816.50

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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.