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Finding the Fourth Proportional to 111,970.99, 167,912.73 and 49,597.75

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Solution

The fourth proportional to 111,970.99, 167,912.73 and 49,597.75 is: 74,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,970.99 : 167,912.73 = 49,597.75 : x
  2. Step 2: Convert to fraction form
    111,970.99/167,912.73 = 49,597.75/x
  3. Step 3: Cross multiply
    111,970.99x = 167,912.73 × 49,597.75
  4. Step 4: Simplify right side
    111,970.99x = 8,328,093,604.36
  5. Step 5: Solve for x
    x = 8,328,093,604.36/111,970.99
  6. Step 6: Final answer
    x = 74,377.24

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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.