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Finding the Fourth Proportional to 67,918.70, 101,745.52 and 44,474.06

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Solution

The fourth proportional to 67,918.70, 101,745.52 and 44,474.06 is: 66,624.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,918.70 : 101,745.52 = 44,474.06 : x
  2. Step 2: Convert to fraction form
    67,918.70/101,745.52 = 44,474.06/x
  3. Step 3: Cross multiply
    67,918.70x = 101,745.52 × 44,474.06
  4. Step 4: Simplify right side
    67,918.70x = 4,525,036,504.39
  5. Step 5: Solve for x
    x = 4,525,036,504.39/67,918.70
  6. Step 6: Final answer
    x = 66,624.31

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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.