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Finding the Fourth Proportional to 106,364.90, 159,374.55 and 66,851.30

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Solution

The fourth proportional to 106,364.90, 159,374.55 and 66,851.30 is: 100,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,364.90 : 159,374.55 = 66,851.30 : x
  2. Step 2: Convert to fraction form
    106,364.90/159,374.55 = 66,851.30/x
  3. Step 3: Cross multiply
    106,364.90x = 159,374.55 × 66,851.30
  4. Step 4: Simplify right side
    106,364.90x = 10,654,395,854.42
  5. Step 5: Solve for x
    x = 10,654,395,854.42/106,364.90
  6. Step 6: Final answer
    x = 100,168.34

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