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Finding the Fourth Proportional to 191,604.73, 264,414.60 and 111,078.92

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Solution

The fourth proportional to 191,604.73, 264,414.60 and 111,078.92 is: 153,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,604.73 : 264,414.60 = 111,078.92 : x
  2. Step 2: Convert to fraction form
    191,604.73/264,414.60 = 111,078.92/x
  3. Step 3: Cross multiply
    191,604.73x = 264,414.60 × 111,078.92
  4. Step 4: Simplify right side
    191,604.73x = 29,370,887,644.84
  5. Step 5: Solve for x
    x = 29,370,887,644.84/191,604.73
  6. Step 6: Final answer
    x = 153,288.95

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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.