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Finding the Fourth Proportional to 79,071.23, 109,163.41 and 52,291.41

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Solution

The fourth proportional to 79,071.23, 109,163.41 and 52,291.41 is: 72,191.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,071.23 : 109,163.41 = 52,291.41 : x
  2. Step 2: Convert to fraction form
    79,071.23/109,163.41 = 52,291.41/x
  3. Step 3: Cross multiply
    79,071.23x = 109,163.41 × 52,291.41
  4. Step 4: Simplify right side
    79,071.23x = 5,708,308,629.31
  5. Step 5: Solve for x
    x = 5,708,308,629.31/79,071.23
  6. Step 6: Final answer
    x = 72,191.98

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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.