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Finding the Fourth Proportional to 111,998.40, 167,932.80 and 41,884.80

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Solution

The fourth proportional to 111,998.40, 167,932.80 and 41,884.80 is: 62,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,998.40 : 167,932.80 = 41,884.80 : x
  2. Step 2: Convert to fraction form
    111,998.40/167,932.80 = 41,884.80/x
  3. Step 3: Cross multiply
    111,998.40x = 167,932.80 × 41,884.80
  4. Step 4: Simplify right side
    111,998.40x = 7,033,831,741.44
  5. Step 5: Solve for x
    x = 7,033,831,741.44/111,998.40
  6. Step 6: Final answer
    x = 62,802.97

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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.