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Finding the Fourth Proportional to 68,809.36, 94,977 and 44,939.56

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Solution

The fourth proportional to 68,809.36, 94,977 and 44,939.56 is: 62,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,809.36 : 94,977 = 44,939.56 : x
  2. Step 2: Convert to fraction form
    68,809.36/94,977 = 44,939.56/x
  3. Step 3: Cross multiply
    68,809.36x = 94,977 × 44,939.56
  4. Step 4: Simplify right side
    68,809.36x = 4,268,224,590.12
  5. Step 5: Solve for x
    x = 4,268,224,590.12/68,809.36
  6. Step 6: Final answer
    x = 62,029.71

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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.