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Finding the Fourth Proportional to 123,876.27, 170,945.64 and 67,287.51

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Solution

The fourth proportional to 123,876.27, 170,945.64 and 67,287.51 is: 92,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,876.27 : 170,945.64 = 67,287.51 : x
  2. Step 2: Convert to fraction form
    123,876.27/170,945.64 = 67,287.51/x
  3. Step 3: Cross multiply
    123,876.27x = 170,945.64 × 67,287.51
  4. Step 4: Simplify right side
    123,876.27x = 11,502,506,460.96
  5. Step 5: Solve for x
    x = 11,502,506,460.96/123,876.27
  6. Step 6: Final answer
    x = 92,854.80

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