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Finding the Fourth Proportional to 85,757.88, 118,354.64 and 49,460.74

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Solution

The fourth proportional to 85,757.88, 118,354.64 and 49,460.74 is: 68,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,757.88 : 118,354.64 = 49,460.74 : x
  2. Step 2: Convert to fraction form
    85,757.88/118,354.64 = 49,460.74/x
  3. Step 3: Cross multiply
    85,757.88x = 118,354.64 × 49,460.74
  4. Step 4: Simplify right side
    85,757.88x = 5,853,908,076.83
  5. Step 5: Solve for x
    x = 5,853,908,076.83/85,757.88
  6. Step 6: Final answer
    x = 68,260.88

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