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Finding the Fourth Proportional to 86,701.59, 129,945.87 and 49,292.96

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Solution

The fourth proportional to 86,701.59, 129,945.87 and 49,292.96 is: 73,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,701.59 : 129,945.87 = 49,292.96 : x
  2. Step 2: Convert to fraction form
    86,701.59/129,945.87 = 49,292.96/x
  3. Step 3: Cross multiply
    86,701.59x = 129,945.87 × 49,292.96
  4. Step 4: Simplify right side
    86,701.59x = 6,405,415,922.35
  5. Step 5: Solve for x
    x = 6,405,415,922.35/86,701.59
  6. Step 6: Final answer
    x = 73,878.87

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