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Finding the Fourth Proportional to 111,759.75, 167,639.55 and 32,873.97

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Solution

The fourth proportional to 111,759.75, 167,639.55 and 32,873.97 is: 49,310.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,759.75 : 167,639.55 = 32,873.97 : x
  2. Step 2: Convert to fraction form
    111,759.75/167,639.55 = 32,873.97/x
  3. Step 3: Cross multiply
    111,759.75x = 167,639.55 × 32,873.97
  4. Step 4: Simplify right side
    111,759.75x = 5,510,977,537.51
  5. Step 5: Solve for x
    x = 5,510,977,537.51/111,759.75
  6. Step 6: Final answer
    x = 49,310.93

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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.