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Finding the Fourth Proportional to 141,808.49, 195,693.17 and 77,278.28

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Solution

The fourth proportional to 141,808.49, 195,693.17 and 77,278.28 is: 106,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,808.49 : 195,693.17 = 77,278.28 : x
  2. Step 2: Convert to fraction form
    141,808.49/195,693.17 = 77,278.28/x
  3. Step 3: Cross multiply
    141,808.49x = 195,693.17 × 77,278.28
  4. Step 4: Simplify right side
    141,808.49x = 15,122,830,220.49
  5. Step 5: Solve for x
    x = 15,122,830,220.49/141,808.49
  6. Step 6: Final answer
    x = 106,642.63

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