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Finding the Fourth Proportional to 178,604.91, 267,907.35 and 53,945.91

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Solution

The fourth proportional to 178,604.91, 267,907.35 and 53,945.91 is: 80,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,604.91 : 267,907.35 = 53,945.91 : x
  2. Step 2: Convert to fraction form
    178,604.91/267,907.35 = 53,945.91/x
  3. Step 3: Cross multiply
    178,604.91x = 267,907.35 × 53,945.91
  4. Step 4: Simplify right side
    178,604.91x = 14,452,505,791.44
  5. Step 5: Solve for x
    x = 14,452,505,791.44/178,604.91
  6. Step 6: Final answer
    x = 80,918.86

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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.