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Finding the Fourth Proportional to 111,997.94, 167,896.04 and 40,870.94

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Solution

The fourth proportional to 111,997.94, 167,896.04 and 40,870.94 is: 61,269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,997.94 : 167,896.04 = 40,870.94 : x
  2. Step 2: Convert to fraction form
    111,997.94/167,896.04 = 40,870.94/x
  3. Step 3: Cross multiply
    111,997.94x = 167,896.04 × 40,870.94
  4. Step 4: Simplify right side
    111,997.94x = 6,862,067,933.24
  5. Step 5: Solve for x
    x = 6,862,067,933.24/111,997.94
  6. Step 6: Final answer
    x = 61,269.59

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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.