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Finding the Fourth Proportional to 148,466.63, 204,884.51 and 80,483.73

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Solution

The fourth proportional to 148,466.63, 204,884.51 and 80,483.73 is: 111,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,466.63 : 204,884.51 = 80,483.73 : x
  2. Step 2: Convert to fraction form
    148,466.63/204,884.51 = 80,483.73/x
  3. Step 3: Cross multiply
    148,466.63x = 204,884.51 × 80,483.73
  4. Step 4: Simplify right side
    148,466.63x = 16,489,869,584.02
  5. Step 5: Solve for x
    x = 16,489,869,584.02/148,466.63
  6. Step 6: Final answer
    x = 111,067.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.