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Finding the Fourth Proportional to 133,771.37, 200,690.46 and 94,405.37

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Solution

The fourth proportional to 133,771.37, 200,690.46 and 94,405.37 is: 141,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,771.37 : 200,690.46 = 94,405.37 : x
  2. Step 2: Convert to fraction form
    133,771.37/200,690.46 = 94,405.37/x
  3. Step 3: Cross multiply
    133,771.37x = 200,690.46 × 94,405.37
  4. Step 4: Simplify right side
    133,771.37x = 18,946,256,128.32
  5. Step 5: Solve for x
    x = 18,946,256,128.32/133,771.37
  6. Step 6: Final answer
    x = 141,631.63

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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.