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Finding the Fourth Proportional to 105,507.36, 145,670.40 and 82,937.52

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Solution

The fourth proportional to 105,507.36, 145,670.40 and 82,937.52 is: 114,508.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,507.36 : 145,670.40 = 82,937.52 : x
  2. Step 2: Convert to fraction form
    105,507.36/145,670.40 = 82,937.52/x
  3. Step 3: Cross multiply
    105,507.36x = 145,670.40 × 82,937.52
  4. Step 4: Simplify right side
    105,507.36x = 12,081,541,713.41
  5. Step 5: Solve for x
    x = 12,081,541,713.41/105,507.36
  6. Step 6: Final answer
    x = 114,508.99

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