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Finding the Fourth Proportional to 133,794.43, 200,725.09 and 94,428.43

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Solution

The fourth proportional to 133,794.43, 200,725.09 and 94,428.43 is: 141,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,794.43 : 200,725.09 = 94,428.43 : x
  2. Step 2: Convert to fraction form
    133,794.43/200,725.09 = 94,428.43/x
  3. Step 3: Cross multiply
    133,794.43x = 200,725.09 × 94,428.43
  4. Step 4: Simplify right side
    133,794.43x = 18,954,155,110.31
  5. Step 5: Solve for x
    x = 18,954,155,110.31/133,794.43
  6. Step 6: Final answer
    x = 141,666.25

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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.