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Finding the Fourth Proportional to 115,797.38, 159,800.38 and 62,805.38

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Solution

The fourth proportional to 115,797.38, 159,800.38 and 62,805.38 is: 86,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,797.38 : 159,800.38 = 62,805.38 : x
  2. Step 2: Convert to fraction form
    115,797.38/159,800.38 = 62,805.38/x
  3. Step 3: Cross multiply
    115,797.38x = 159,800.38 × 62,805.38
  4. Step 4: Simplify right side
    115,797.38x = 10,036,322,634.03
  5. Step 5: Solve for x
    x = 10,036,322,634.03/115,797.38
  6. Step 6: Final answer
    x = 86,671.42

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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.