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Finding the Fourth Proportional to 111,241.84, 166,849.80 and 44,679.28

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Solution

The fourth proportional to 111,241.84, 166,849.80 and 44,679.28 is: 67,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,241.84 : 166,849.80 = 44,679.28 : x
  2. Step 2: Convert to fraction form
    111,241.84/166,849.80 = 44,679.28/x
  3. Step 3: Cross multiply
    111,241.84x = 166,849.80 × 44,679.28
  4. Step 4: Simplify right side
    111,241.84x = 7,454,728,932.14
  5. Step 5: Solve for x
    x = 7,454,728,932.14/111,241.84
  6. Step 6: Final answer
    x = 67,013.71

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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.