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Finding the Fourth Proportional to 73,896.70, 101,940.90 and 43,667.40

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Solution

The fourth proportional to 73,896.70, 101,940.90 and 43,667.40 is: 60,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,896.70 : 101,940.90 = 43,667.40 : x
  2. Step 2: Convert to fraction form
    73,896.70/101,940.90 = 43,667.40/x
  3. Step 3: Cross multiply
    73,896.70x = 101,940.90 × 43,667.40
  4. Step 4: Simplify right side
    73,896.70x = 4,451,494,056.66
  5. Step 5: Solve for x
    x = 4,451,494,056.66/73,896.70
  6. Step 6: Final answer
    x = 60,239.42

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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.