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Finding the Fourth Proportional to 85,796.84, 118,399.56 and 48,071.36

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Solution

The fourth proportional to 85,796.84, 118,399.56 and 48,071.36 is: 66,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,796.84 : 118,399.56 = 48,071.36 : x
  2. Step 2: Convert to fraction form
    85,796.84/118,399.56 = 48,071.36/x
  3. Step 3: Cross multiply
    85,796.84x = 118,399.56 × 48,071.36
  4. Step 4: Simplify right side
    85,796.84x = 5,691,627,872.60
  5. Step 5: Solve for x
    x = 5,691,627,872.60/85,796.84
  6. Step 6: Final answer
    x = 66,338.43

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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.