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Finding the Fourth Proportional to 222,352.75, 333,563.69 and 74,643.31

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Solution

The fourth proportional to 222,352.75, 333,563.69 and 74,643.31 is: 111,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,352.75 : 333,563.69 = 74,643.31 : x
  2. Step 2: Convert to fraction form
    222,352.75/333,563.69 = 74,643.31/x
  3. Step 3: Cross multiply
    222,352.75x = 333,563.69 × 74,643.31
  4. Step 4: Simplify right side
    222,352.75x = 24,898,297,917.41
  5. Step 5: Solve for x
    x = 24,898,297,917.41/222,352.75
  6. Step 6: Final answer
    x = 111,976.57

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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.