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Finding the Fourth Proportional to 107,922.35, 161,883.53 and 90,815.15

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Solution

The fourth proportional to 107,922.35, 161,883.53 and 90,815.15 is: 136,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,922.35 : 161,883.53 = 90,815.15 : x
  2. Step 2: Convert to fraction form
    107,922.35/161,883.53 = 90,815.15/x
  3. Step 3: Cross multiply
    107,922.35x = 161,883.53 × 90,815.15
  4. Step 4: Simplify right side
    107,922.35x = 14,701,476,605.40
  5. Step 5: Solve for x
    x = 14,701,476,605.40/107,922.35
  6. Step 6: Final answer
    x = 136,222.73

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