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Finding the Fourth Proportional to 132,694.55, 198,658.12 and 119,004.54

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Solution

The fourth proportional to 132,694.55, 198,658.12 and 119,004.54 is: 178,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,694.55 : 198,658.12 = 119,004.54 : x
  2. Step 2: Convert to fraction form
    132,694.55/198,658.12 = 119,004.54/x
  3. Step 3: Cross multiply
    132,694.55x = 198,658.12 × 119,004.54
  4. Step 4: Simplify right side
    132,694.55x = 23,641,218,485.97
  5. Step 5: Solve for x
    x = 23,641,218,485.97/132,694.55
  6. Step 6: Final answer
    x = 178,162.69

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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.