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Finding the Fourth Proportional to 202,317.94, 279,198.79 and 111,673.94

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Solution

The fourth proportional to 202,317.94, 279,198.79 and 111,673.94 is: 154,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,317.94 : 279,198.79 = 111,673.94 : x
  2. Step 2: Convert to fraction form
    202,317.94/279,198.79 = 111,673.94/x
  3. Step 3: Cross multiply
    202,317.94x = 279,198.79 × 111,673.94
  4. Step 4: Simplify right side
    202,317.94x = 31,179,228,922.53
  5. Step 5: Solve for x
    x = 31,179,228,922.53/202,317.94
  6. Step 6: Final answer
    x = 154,110.06

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Why These Related Problems?

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