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Finding the Fourth Proportional to 202,321.74, 279,204.02 and 111,677.73

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Solution

The fourth proportional to 202,321.74, 279,204.02 and 111,677.73 is: 154,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,321.74 : 279,204.02 = 111,677.73 : x
  2. Step 2: Convert to fraction form
    202,321.74/279,204.02 = 111,677.73/x
  3. Step 3: Cross multiply
    202,321.74x = 279,204.02 × 111,677.73
  4. Step 4: Simplify right side
    202,321.74x = 31,180,869,555.07
  5. Step 5: Solve for x
    x = 31,180,869,555.07/202,321.74
  6. Step 6: Final answer
    x = 154,115.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.