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Finding the Fourth Proportional to 86,961.40, 130,491.34 and 37,036.31

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Solution

The fourth proportional to 86,961.40, 130,491.34 and 37,036.31 is: 55,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,961.40 : 130,491.34 = 37,036.31 : x
  2. Step 2: Convert to fraction form
    86,961.40/130,491.34 = 37,036.31/x
  3. Step 3: Cross multiply
    86,961.40x = 130,491.34 × 37,036.31
  4. Step 4: Simplify right side
    86,961.40x = 4,832,916,975.51
  5. Step 5: Solve for x
    x = 4,832,916,975.51/86,961.40
  6. Step 6: Final answer
    x = 55,575.43

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