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Finding the Fourth Proportional to 79,092.30, 109,147.38 and 43,282.33

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Solution

The fourth proportional to 79,092.30, 109,147.38 and 43,282.33 is: 59,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,092.30 : 109,147.38 = 43,282.33 : x
  2. Step 2: Convert to fraction form
    79,092.30/109,147.38 = 43,282.33/x
  3. Step 3: Cross multiply
    79,092.30x = 109,147.38 × 43,282.33
  4. Step 4: Simplify right side
    79,092.30x = 4,724,152,157.65
  5. Step 5: Solve for x
    x = 4,724,152,157.65/79,092.30
  6. Step 6: Final answer
    x = 59,729.61

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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.