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Finding the Fourth Proportional to 133,792.92, 200,393.28 and 54,667.08

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Solution

The fourth proportional to 133,792.92, 200,393.28 and 54,667.08 is: 81,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,792.92 : 200,393.28 = 54,667.08 : x
  2. Step 2: Convert to fraction form
    133,792.92/200,393.28 = 54,667.08/x
  3. Step 3: Cross multiply
    133,792.92x = 200,393.28 × 54,667.08
  4. Step 4: Simplify right side
    133,792.92x = 10,954,915,469.22
  5. Step 5: Solve for x
    x = 10,954,915,469.22/133,792.92
  6. Step 6: Final answer
    x = 81,879.64

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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.