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Finding the Fourth Proportional to 117,976.37, 176,990.85 and 43,096.41

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Solution

The fourth proportional to 117,976.37, 176,990.85 and 43,096.41 is: 64,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,976.37 : 176,990.85 = 43,096.41 : x
  2. Step 2: Convert to fraction form
    117,976.37/176,990.85 = 43,096.41/x
  3. Step 3: Cross multiply
    117,976.37x = 176,990.85 × 43,096.41
  4. Step 4: Simplify right side
    117,976.37x = 7,627,670,237.85
  5. Step 5: Solve for x
    x = 7,627,670,237.85/117,976.37
  6. Step 6: Final answer
    x = 64,654.22

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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.