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Finding the Fourth Proportional to 242,469.54, 363,704.33 and 73,990.73

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Solution

The fourth proportional to 242,469.54, 363,704.33 and 73,990.73 is: 110,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,469.54 : 363,704.33 = 73,990.73 : x
  2. Step 2: Convert to fraction form
    242,469.54/363,704.33 = 73,990.73/x
  3. Step 3: Cross multiply
    242,469.54x = 363,704.33 × 73,990.73
  4. Step 4: Simplify right side
    242,469.54x = 26,910,749,975.10
  5. Step 5: Solve for x
    x = 26,910,749,975.10/242,469.54
  6. Step 6: Final answer
    x = 110,986.11

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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.