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Finding the Fourth Proportional to 165,396.96, 247,872.69 and 90,404.46

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Solution

The fourth proportional to 165,396.96, 247,872.69 and 90,404.46 is: 135,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,396.96 : 247,872.69 = 90,404.46 : x
  2. Step 2: Convert to fraction form
    165,396.96/247,872.69 = 90,404.46/x
  3. Step 3: Cross multiply
    165,396.96x = 247,872.69 × 90,404.46
  4. Step 4: Simplify right side
    165,396.96x = 22,408,796,688.20
  5. Step 5: Solve for x
    x = 22,408,796,688.20/165,396.96
  6. Step 6: Final answer
    x = 135,484.94

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