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Finding the Fourth Proportional to 76,940.80, 106,094.52 and 50,033.38

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Solution

The fourth proportional to 76,940.80, 106,094.52 and 50,033.38 is: 68,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,940.80 : 106,094.52 = 50,033.38 : x
  2. Step 2: Convert to fraction form
    76,940.80/106,094.52 = 50,033.38/x
  3. Step 3: Cross multiply
    76,940.80x = 106,094.52 × 50,033.38
  4. Step 4: Simplify right side
    76,940.80x = 5,308,267,435.08
  5. Step 5: Solve for x
    x = 5,308,267,435.08/76,940.80
  6. Step 6: Final answer
    x = 68,991.58

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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.