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Finding the Fourth Proportional to 118,604.94, 177,879.60 and 34,342.56

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Solution

The fourth proportional to 118,604.94, 177,879.60 and 34,342.56 is: 51,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,604.94 : 177,879.60 = 34,342.56 : x
  2. Step 2: Convert to fraction form
    118,604.94/177,879.60 = 34,342.56/x
  3. Step 3: Cross multiply
    118,604.94x = 177,879.60 × 34,342.56
  4. Step 4: Simplify right side
    118,604.94x = 6,108,840,835.78
  5. Step 5: Solve for x
    x = 6,108,840,835.78/118,604.94
  6. Step 6: Final answer
    x = 51,505.79

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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.