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Finding the Fourth Proportional to 105,797.95, 158,697.83 and 26,912.25

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Solution

The fourth proportional to 105,797.95, 158,697.83 and 26,912.25 is: 40,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,797.95 : 158,697.83 = 26,912.25 : x
  2. Step 2: Convert to fraction form
    105,797.95/158,697.83 = 26,912.25/x
  3. Step 3: Cross multiply
    105,797.95x = 158,697.83 × 26,912.25
  4. Step 4: Simplify right side
    105,797.95x = 4,270,915,742.70
  5. Step 5: Solve for x
    x = 4,270,915,742.70/105,797.95
  6. Step 6: Final answer
    x = 40,368.61

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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.