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Finding the Fourth Proportional to 133,667.62, 198,797.09 and 130,301.06

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Solution

The fourth proportional to 133,667.62, 198,797.09 and 130,301.06 is: 193,790.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,667.62 : 198,797.09 = 130,301.06 : x
  2. Step 2: Convert to fraction form
    133,667.62/198,797.09 = 130,301.06/x
  3. Step 3: Cross multiply
    133,667.62x = 198,797.09 × 130,301.06
  4. Step 4: Simplify right side
    133,667.62x = 25,903,469,906.42
  5. Step 5: Solve for x
    x = 25,903,469,906.42/133,667.62
  6. Step 6: Final answer
    x = 193,790.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.