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Finding the Fourth Proportional to 111,803.98, 167,705.97 and 32,918.22

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Solution

The fourth proportional to 111,803.98, 167,705.97 and 32,918.22 is: 49,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,803.98 : 167,705.97 = 32,918.22 : x
  2. Step 2: Convert to fraction form
    111,803.98/167,705.97 = 32,918.22/x
  3. Step 3: Cross multiply
    111,803.98x = 167,705.97 × 32,918.22
  4. Step 4: Simplify right side
    111,803.98x = 5,520,582,015.77
  5. Step 5: Solve for x
    x = 5,520,582,015.77/111,803.98
  6. Step 6: Final answer
    x = 49,377.33

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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.