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Finding the Fourth Proportional to 66,170.44, 99,172.20 and 26,705.60

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Solution

The fourth proportional to 66,170.44, 99,172.20 and 26,705.60 is: 40,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,170.44 : 99,172.20 = 26,705.60 : x
  2. Step 2: Convert to fraction form
    66,170.44/99,172.20 = 26,705.60/x
  3. Step 3: Cross multiply
    66,170.44x = 99,172.20 × 26,705.60
  4. Step 4: Simplify right side
    66,170.44x = 2,648,453,104.32
  5. Step 5: Solve for x
    x = 2,648,453,104.32/66,170.44
  6. Step 6: Final answer
    x = 40,024.72

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