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Finding the Fourth Proportional to 133,729.18, 200,843.60 and 117,724.39

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Solution

The fourth proportional to 133,729.18, 200,843.60 and 117,724.39 is: 176,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,729.18 : 200,843.60 = 117,724.39 : x
  2. Step 2: Convert to fraction form
    133,729.18/200,843.60 = 117,724.39/x
  3. Step 3: Cross multiply
    133,729.18x = 200,843.60 × 117,724.39
  4. Step 4: Simplify right side
    133,729.18x = 23,644,189,204.67
  5. Step 5: Solve for x
    x = 23,644,189,204.67/133,729.18
  6. Step 6: Final answer
    x = 176,806.51

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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.