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Finding the Fourth Proportional to 133,104.87, 199,339.79 and 73,793.43

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Solution

The fourth proportional to 133,104.87, 199,339.79 and 73,793.43 is: 110,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,104.87 : 199,339.79 = 73,793.43 : x
  2. Step 2: Convert to fraction form
    133,104.87/199,339.79 = 73,793.43/x
  3. Step 3: Cross multiply
    133,104.87x = 199,339.79 × 73,793.43
  4. Step 4: Simplify right side
    133,104.87x = 14,709,966,470.61
  5. Step 5: Solve for x
    x = 14,709,966,470.61/133,104.87
  6. Step 6: Final answer
    x = 110,514.11

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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.