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Finding the Fourth Proportional to 186,670.28, 257,627.18 and 117,859.72

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Solution

The fourth proportional to 186,670.28, 257,627.18 and 117,859.72 is: 162,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,670.28 : 257,627.18 = 117,859.72 : x
  2. Step 2: Convert to fraction form
    186,670.28/257,627.18 = 117,859.72/x
  3. Step 3: Cross multiply
    186,670.28x = 257,627.18 × 117,859.72
  4. Step 4: Simplify right side
    186,670.28x = 30,363,867,299.19
  5. Step 5: Solve for x
    x = 30,363,867,299.19/186,670.28
  6. Step 6: Final answer
    x = 162,660.43

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