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Finding the Fourth Proportional to 164,842.20, 227,482.36 and 89,390.68

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Solution

The fourth proportional to 164,842.20, 227,482.36 and 89,390.68 is: 123,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,842.20 : 227,482.36 = 89,390.68 : x
  2. Step 2: Convert to fraction form
    164,842.20/227,482.36 = 89,390.68/x
  3. Step 3: Cross multiply
    164,842.20x = 227,482.36 × 89,390.68
  4. Step 4: Simplify right side
    164,842.20x = 20,334,802,848.40
  5. Step 5: Solve for x
    x = 20,334,802,848.40/164,842.20
  6. Step 6: Final answer
    x = 123,359.21

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