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Finding the Fourth Proportional to 146,273.82, 201,857.86 and 79,205.82

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Solution

The fourth proportional to 146,273.82, 201,857.86 and 79,205.82 is: 109,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,273.82 : 201,857.86 = 79,205.82 : x
  2. Step 2: Convert to fraction form
    146,273.82/201,857.86 = 79,205.82/x
  3. Step 3: Cross multiply
    146,273.82x = 201,857.86 × 79,205.82
  4. Step 4: Simplify right side
    146,273.82x = 15,988,317,324.75
  5. Step 5: Solve for x
    x = 15,988,317,324.75/146,273.82
  6. Step 6: Final answer
    x = 109,304.03

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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.