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Finding the Fourth Proportional to 111,245.49, 166,868.13 and 44,685.63

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Solution

The fourth proportional to 111,245.49, 166,868.13 and 44,685.63 is: 67,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,245.49 : 166,868.13 = 44,685.63 : x
  2. Step 2: Convert to fraction form
    111,245.49/166,868.13 = 44,685.63/x
  3. Step 3: Cross multiply
    111,245.49x = 166,868.13 × 44,685.63
  4. Step 4: Simplify right side
    111,245.49x = 7,456,607,515.97
  5. Step 5: Solve for x
    x = 7,456,607,515.97/111,245.49
  6. Step 6: Final answer
    x = 67,028.40

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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.