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Finding the Fourth Proportional to 193,763.55, 290,553.06 and 73,826.42

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Solution

The fourth proportional to 193,763.55, 290,553.06 and 73,826.42 is: 110,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,763.55 : 290,553.06 = 73,826.42 : x
  2. Step 2: Convert to fraction form
    193,763.55/290,553.06 = 73,826.42/x
  3. Step 3: Cross multiply
    193,763.55x = 290,553.06 × 73,826.42
  4. Step 4: Simplify right side
    193,763.55x = 21,450,492,239.85
  5. Step 5: Solve for x
    x = 21,450,492,239.85/193,763.55
  6. Step 6: Final answer
    x = 110,704.48

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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.