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Finding the Fourth Proportional to 186,867.76, 257,787.84 and 122,308.58

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Solution

The fourth proportional to 186,867.76, 257,787.84 and 122,308.58 is: 168,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,867.76 : 257,787.84 = 122,308.58 : x
  2. Step 2: Convert to fraction form
    186,867.76/257,787.84 = 122,308.58/x
  3. Step 3: Cross multiply
    186,867.76x = 257,787.84 × 122,308.58
  4. Step 4: Simplify right side
    186,867.76x = 31,529,665,410.80
  5. Step 5: Solve for x
    x = 31,529,665,410.80/186,867.76
  6. Step 6: Final answer
    x = 168,727.16

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