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Finding the Fourth Proportional to 202,369.44, 279,270.25 and 111,725.58

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Solution

The fourth proportional to 202,369.44, 279,270.25 and 111,725.58 is: 154,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,369.44 : 279,270.25 = 111,725.58 : x
  2. Step 2: Convert to fraction form
    202,369.44/279,270.25 = 111,725.58/x
  3. Step 3: Cross multiply
    202,369.44x = 279,270.25 × 111,725.58
  4. Step 4: Simplify right side
    202,369.44x = 31,201,631,076.86
  5. Step 5: Solve for x
    x = 31,201,631,076.86/202,369.44
  6. Step 6: Final answer
    x = 154,181.53

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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.