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Finding the Fourth Proportional to 123,042.51, 169,798.68 and 66,453.89

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Solution

The fourth proportional to 123,042.51, 169,798.68 and 66,453.89 is: 91,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,042.51 : 169,798.68 = 66,453.89 : x
  2. Step 2: Convert to fraction form
    123,042.51/169,798.68 = 66,453.89/x
  3. Step 3: Cross multiply
    123,042.51x = 169,798.68 × 66,453.89
  4. Step 4: Simplify right side
    123,042.51x = 11,283,781,953.87
  5. Step 5: Solve for x
    x = 11,283,781,953.87/123,042.51
  6. Step 6: Final answer
    x = 91,706.37

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