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Finding the Fourth Proportional to 143,659.51, 198,155.12 and 89,851.11

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Solution

The fourth proportional to 143,659.51, 198,155.12 and 89,851.11 is: 123,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,659.51 : 198,155.12 = 89,851.11 : x
  2. Step 2: Convert to fraction form
    143,659.51/198,155.12 = 89,851.11/x
  3. Step 3: Cross multiply
    143,659.51x = 198,155.12 × 89,851.11
  4. Step 4: Simplify right side
    143,659.51x = 17,804,457,484.18
  5. Step 5: Solve for x
    x = 17,804,457,484.18/143,659.51
  6. Step 6: Final answer
    x = 123,935.11

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