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Finding the Fourth Proportional to 186,555.54, 257,439.15 and 101,670.78

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Solution

The fourth proportional to 186,555.54, 257,439.15 and 101,670.78 is: 140,301.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,555.54 : 257,439.15 = 101,670.78 : x
  2. Step 2: Convert to fraction form
    186,555.54/257,439.15 = 101,670.78/x
  3. Step 3: Cross multiply
    186,555.54x = 257,439.15 × 101,670.78
  4. Step 4: Simplify right side
    186,555.54x = 26,174,039,183.04
  5. Step 5: Solve for x
    x = 26,174,039,183.04/186,555.54
  6. Step 6: Final answer
    x = 140,301.59

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