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Finding the Fourth Proportional to 104,912.75, 144,736.24 and 73,100.09

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Solution

The fourth proportional to 104,912.75, 144,736.24 and 73,100.09 is: 100,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,912.75 : 144,736.24 = 73,100.09 : x
  2. Step 2: Convert to fraction form
    104,912.75/144,736.24 = 73,100.09/x
  3. Step 3: Cross multiply
    104,912.75x = 144,736.24 × 73,100.09
  4. Step 4: Simplify right side
    104,912.75x = 10,580,232,170.26
  5. Step 5: Solve for x
    x = 10,580,232,170.26/104,912.75
  6. Step 6: Final answer
    x = 100,847.92

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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.