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Finding the Fourth Proportional to 133,791.62, 200,720.90 and 94,425.62

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Solution

The fourth proportional to 133,791.62, 200,720.90 and 94,425.62 is: 141,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,791.62 : 200,720.90 = 94,425.62 : x
  2. Step 2: Convert to fraction form
    133,791.62/200,720.90 = 94,425.62/x
  3. Step 3: Cross multiply
    133,791.62x = 200,720.90 × 94,425.62
  4. Step 4: Simplify right side
    133,791.62x = 18,953,193,953.73
  5. Step 5: Solve for x
    x = 18,953,193,953.73/133,791.62
  6. Step 6: Final answer
    x = 141,662.05

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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.