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Finding the Fourth Proportional to 186,883.28, 257,961.48 and 115,231.76

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Solution

The fourth proportional to 186,883.28, 257,961.48 and 115,231.76 is: 159,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,883.28 : 257,961.48 = 115,231.76 : x
  2. Step 2: Convert to fraction form
    186,883.28/257,961.48 = 115,231.76/x
  3. Step 3: Cross multiply
    186,883.28x = 257,961.48 × 115,231.76
  4. Step 4: Simplify right side
    186,883.28x = 29,725,355,352.60
  5. Step 5: Solve for x
    x = 29,725,355,352.60/186,883.28
  6. Step 6: Final answer
    x = 159,058.40

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