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Finding the Fourth Proportional to 295,495.75, 443,243.64 and 73,879.75

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Solution

The fourth proportional to 295,495.75, 443,243.64 and 73,879.75 is: 110,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,495.75 : 443,243.64 = 73,879.75 : x
  2. Step 2: Convert to fraction form
    295,495.75/443,243.64 = 73,879.75/x
  3. Step 3: Cross multiply
    295,495.75x = 443,243.64 × 73,879.75
  4. Step 4: Simplify right side
    295,495.75x = 32,746,728,942.89
  5. Step 5: Solve for x
    x = 32,746,728,942.89/295,495.75
  6. Step 6: Final answer
    x = 110,819.63

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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.