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Finding the Fourth Proportional to 191,422.98, 287,112.54 and 51,192.54

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Solution

The fourth proportional to 191,422.98, 287,112.54 and 51,192.54 is: 76,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,422.98 : 287,112.54 = 51,192.54 : x
  2. Step 2: Convert to fraction form
    191,422.98/287,112.54 = 51,192.54/x
  3. Step 3: Cross multiply
    191,422.98x = 287,112.54 × 51,192.54
  4. Step 4: Simplify right side
    191,422.98x = 14,698,020,188.45
  5. Step 5: Solve for x
    x = 14,698,020,188.45/191,422.98
  6. Step 6: Final answer
    x = 76,782.95

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