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Finding the Fourth Proportional to 133,321.52, 199,982.28 and 92,030.96

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Solution

The fourth proportional to 133,321.52, 199,982.28 and 92,030.96 is: 138,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,321.52 : 199,982.28 = 92,030.96 : x
  2. Step 2: Convert to fraction form
    133,321.52/199,982.28 = 92,030.96/x
  3. Step 3: Cross multiply
    133,321.52x = 199,982.28 × 92,030.96
  4. Step 4: Simplify right side
    133,321.52x = 18,404,561,211.39
  5. Step 5: Solve for x
    x = 18,404,561,211.39/133,321.52
  6. Step 6: Final answer
    x = 138,046.44

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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.