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Finding the Fourth Proportional to 111,304.98, 166,965.10 and 44,745.16

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Solution

The fourth proportional to 111,304.98, 166,965.10 and 44,745.16 is: 67,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,304.98 : 166,965.10 = 44,745.16 : x
  2. Step 2: Convert to fraction form
    111,304.98/166,965.10 = 44,745.16/x
  3. Step 3: Cross multiply
    111,304.98x = 166,965.10 × 44,745.16
  4. Step 4: Simplify right side
    111,304.98x = 7,470,880,113.92
  5. Step 5: Solve for x
    x = 7,470,880,113.92/111,304.98
  6. Step 6: Final answer
    x = 67,120.81

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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.