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Finding the Fourth Proportional to 165,808.62, 248,761.38 and 53,486.37

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Solution

The fourth proportional to 165,808.62, 248,761.38 and 53,486.37 is: 80,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,808.62 : 248,761.38 = 53,486.37 : x
  2. Step 2: Convert to fraction form
    165,808.62/248,761.38 = 53,486.37/x
  3. Step 3: Cross multiply
    165,808.62x = 248,761.38 × 53,486.37
  4. Step 4: Simplify right side
    165,808.62x = 13,305,343,212.39
  5. Step 5: Solve for x
    x = 13,305,343,212.39/165,808.62
  6. Step 6: Final answer
    x = 80,245.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.