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Finding the Fourth Proportional to 186,056.28, 256,749.84 and 105,489.23

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Solution

The fourth proportional to 186,056.28, 256,749.84 and 105,489.23 is: 145,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,056.28 : 256,749.84 = 105,489.23 : x
  2. Step 2: Convert to fraction form
    186,056.28/256,749.84 = 105,489.23/x
  3. Step 3: Cross multiply
    186,056.28x = 256,749.84 × 105,489.23
  4. Step 4: Simplify right side
    186,056.28x = 27,084,341,640.47
  5. Step 5: Solve for x
    x = 27,084,341,640.47/186,056.28
  6. Step 6: Final answer
    x = 145,570.69

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