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Finding the Fourth Proportional to 66,317.76, 91,524.96 and 49,521.60

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Solution

The fourth proportional to 66,317.76, 91,524.96 and 49,521.60 is: 68,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,317.76 : 91,524.96 = 49,521.60 : x
  2. Step 2: Convert to fraction form
    66,317.76/91,524.96 = 49,521.60/x
  3. Step 3: Cross multiply
    66,317.76x = 91,524.96 × 49,521.60
  4. Step 4: Simplify right side
    66,317.76x = 4,532,462,459.14
  5. Step 5: Solve for x
    x = 4,532,462,459.14/66,317.76
  6. Step 6: Final answer
    x = 68,344.63

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