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Finding the Fourth Proportional to 95,172.68, 131,365.32 and 57,449.36

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Solution

The fourth proportional to 95,172.68, 131,365.32 and 57,449.36 is: 79,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,172.68 : 131,365.32 = 57,449.36 : x
  2. Step 2: Convert to fraction form
    95,172.68/131,365.32 = 57,449.36/x
  3. Step 3: Cross multiply
    95,172.68x = 131,365.32 × 57,449.36
  4. Step 4: Simplify right side
    95,172.68x = 7,546,853,560.20
  5. Step 5: Solve for x
    x = 7,546,853,560.20/95,172.68
  6. Step 6: Final answer
    x = 79,296.43

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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.