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Finding the Fourth Proportional to 57,055.82, 78,730.98 and 31,558.13

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Solution

The fourth proportional to 57,055.82, 78,730.98 and 31,558.13 is: 43,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,055.82 : 78,730.98 = 31,558.13 : x
  2. Step 2: Convert to fraction form
    57,055.82/78,730.98 = 31,558.13/x
  3. Step 3: Cross multiply
    57,055.82x = 78,730.98 × 31,558.13
  4. Step 4: Simplify right side
    57,055.82x = 2,484,602,501.87
  5. Step 5: Solve for x
    x = 2,484,602,501.87/57,055.82
  6. Step 6: Final answer
    x = 43,546.87

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