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Finding the Fourth Proportional to 85,054.84, 117,373.26 and 49,245.44

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Solution

The fourth proportional to 85,054.84, 117,373.26 and 49,245.44 is: 67,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,054.84 : 117,373.26 = 49,245.44 : x
  2. Step 2: Convert to fraction form
    85,054.84/117,373.26 = 49,245.44/x
  3. Step 3: Cross multiply
    85,054.84x = 117,373.26 × 49,245.44
  4. Step 4: Simplify right side
    85,054.84x = 5,780,097,832.93
  5. Step 5: Solve for x
    x = 5,780,097,832.93/85,054.84
  6. Step 6: Final answer
    x = 67,957.31

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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.