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Finding the Fourth Proportional to 201,150.70, 301,896.15 and 82,906.90

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Solution

The fourth proportional to 201,150.70, 301,896.15 and 82,906.90 is: 124,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,150.70 : 301,896.15 = 82,906.90 : x
  2. Step 2: Convert to fraction form
    201,150.70/301,896.15 = 82,906.90/x
  3. Step 3: Cross multiply
    201,150.70x = 301,896.15 × 82,906.90
  4. Step 4: Simplify right side
    201,150.70x = 25,029,273,918.44
  5. Step 5: Solve for x
    x = 25,029,273,918.44/201,150.70
  6. Step 6: Final answer
    x = 124,430.46

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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.