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Finding the Fourth Proportional to 105,879.37, 158,823.38 and 26,995.65

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Solution

The fourth proportional to 105,879.37, 158,823.38 and 26,995.65 is: 40,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,879.37 : 158,823.38 = 26,995.65 : x
  2. Step 2: Convert to fraction form
    105,879.37/158,823.38 = 26,995.65/x
  3. Step 3: Cross multiply
    105,879.37x = 158,823.38 × 26,995.65
  4. Step 4: Simplify right side
    105,879.37x = 4,287,539,850.20
  5. Step 5: Solve for x
    x = 4,287,539,850.20/105,879.37
  6. Step 6: Final answer
    x = 40,494.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.