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Finding the Fourth Proportional to 194,951.00, 268,879.50 and 126,989.37

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Solution

The fourth proportional to 194,951.00, 268,879.50 and 126,989.37 is: 175,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,951.00 : 268,879.50 = 126,989.37 : x
  2. Step 2: Convert to fraction form
    194,951.00/268,879.50 = 126,989.37/x
  3. Step 3: Cross multiply
    194,951.00x = 268,879.50 × 126,989.37
  4. Step 4: Simplify right side
    194,951.00x = 34,144,838,310.92
  5. Step 5: Solve for x
    x = 34,144,838,310.92/194,951.00
  6. Step 6: Final answer
    x = 175,145.74

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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.