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Finding the Fourth Proportional to 86,104.89, 118,816.88 and 49,797.05

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Solution

The fourth proportional to 86,104.89, 118,816.88 and 49,797.05 is: 68,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,104.89 : 118,816.88 = 49,797.05 : x
  2. Step 2: Convert to fraction form
    86,104.89/118,816.88 = 49,797.05/x
  3. Step 3: Cross multiply
    86,104.89x = 118,816.88 × 49,797.05
  4. Step 4: Simplify right side
    86,104.89x = 5,916,729,271.13
  5. Step 5: Solve for x
    x = 5,916,729,271.13/86,104.89
  6. Step 6: Final answer
    x = 68,715.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.