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Finding the Fourth Proportional to 73,870.56, 101,941.56 and 40,336.56

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Solution

The fourth proportional to 73,870.56, 101,941.56 and 40,336.56 is: 55,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,870.56 : 101,941.56 = 40,336.56 : x
  2. Step 2: Convert to fraction form
    73,870.56/101,941.56 = 40,336.56/x
  3. Step 3: Cross multiply
    73,870.56x = 101,941.56 × 40,336.56
  4. Step 4: Simplify right side
    73,870.56x = 4,111,971,851.43
  5. Step 5: Solve for x
    x = 4,111,971,851.43/73,870.56
  6. Step 6: Final answer
    x = 55,664.56

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