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Finding the Fourth Proportional to 85,112.88, 127,648.82 and 37,701.78

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Solution

The fourth proportional to 85,112.88, 127,648.82 and 37,701.78 is: 56,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,112.88 : 127,648.82 = 37,701.78 : x
  2. Step 2: Convert to fraction form
    85,112.88/127,648.82 = 37,701.78/x
  3. Step 3: Cross multiply
    85,112.88x = 127,648.82 × 37,701.78
  4. Step 4: Simplify right side
    85,112.88x = 4,812,587,728.90
  5. Step 5: Solve for x
    x = 4,812,587,728.90/85,112.88
  6. Step 6: Final answer
    x = 56,543.59

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