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Finding the Fourth Proportional to 111,993.36, 167,993.28 and 41,859.24

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Solution

The fourth proportional to 111,993.36, 167,993.28 and 41,859.24 is: 62,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,993.36 : 167,993.28 = 41,859.24 : x
  2. Step 2: Convert to fraction form
    111,993.36/167,993.28 = 41,859.24/x
  3. Step 3: Cross multiply
    111,993.36x = 167,993.28 × 41,859.24
  4. Step 4: Simplify right side
    111,993.36x = 7,032,071,025.91
  5. Step 5: Solve for x
    x = 7,032,071,025.91/111,993.36
  6. Step 6: Final answer
    x = 62,790.07

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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.