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Finding the Fourth Proportional to 57,103.72, 78,804.18 and 31,953.16

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Solution

The fourth proportional to 57,103.72, 78,804.18 and 31,953.16 is: 44,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,103.72 : 78,804.18 = 31,953.16 : x
  2. Step 2: Convert to fraction form
    57,103.72/78,804.18 = 31,953.16/x
  3. Step 3: Cross multiply
    57,103.72x = 78,804.18 × 31,953.16
  4. Step 4: Simplify right side
    57,103.72x = 2,518,042,572.21
  5. Step 5: Solve for x
    x = 2,518,042,572.21/57,103.72
  6. Step 6: Final answer
    x = 44,095.95

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