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Finding the Fourth Proportional to 127,307.14, 190,959.48 and 77,401.02

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Solution

The fourth proportional to 127,307.14, 190,959.48 and 77,401.02 is: 116,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,307.14 : 190,959.48 = 77,401.02 : x
  2. Step 2: Convert to fraction form
    127,307.14/190,959.48 = 77,401.02/x
  3. Step 3: Cross multiply
    127,307.14x = 190,959.48 × 77,401.02
  4. Step 4: Simplify right side
    127,307.14x = 14,780,458,530.67
  5. Step 5: Solve for x
    x = 14,780,458,530.67/127,307.14
  6. Step 6: Final answer
    x = 116,100.78

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