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Finding the Fourth Proportional to 62,364.60, 85,964.76 and 57,216.24

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Solution

The fourth proportional to 62,364.60, 85,964.76 and 57,216.24 is: 78,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,364.60 : 85,964.76 = 57,216.24 : x
  2. Step 2: Convert to fraction form
    62,364.60/85,964.76 = 57,216.24/x
  3. Step 3: Cross multiply
    62,364.60x = 85,964.76 × 57,216.24
  4. Step 4: Simplify right side
    62,364.60x = 4,918,580,339.70
  5. Step 5: Solve for x
    x = 4,918,580,339.70/62,364.60
  6. Step 6: Final answer
    x = 78,868.15

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