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Finding the Fourth Proportional to 105,360.22, 158,040.48 and 43,030.72

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Solution

The fourth proportional to 105,360.22, 158,040.48 and 43,030.72 is: 64,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,360.22 : 158,040.48 = 43,030.72 : x
  2. Step 2: Convert to fraction form
    105,360.22/158,040.48 = 43,030.72/x
  3. Step 3: Cross multiply
    105,360.22x = 158,040.48 × 43,030.72
  4. Step 4: Simplify right side
    105,360.22x = 6,800,595,643.55
  5. Step 5: Solve for x
    x = 6,800,595,643.55/105,360.22
  6. Step 6: Final answer
    x = 64,546.14

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