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Finding the Fourth Proportional to 105,576.88, 145,696.13 and 57,831.95

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Solution

The fourth proportional to 105,576.88, 145,696.13 and 57,831.95 is: 79,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,576.88 : 145,696.13 = 57,831.95 : x
  2. Step 2: Convert to fraction form
    105,576.88/145,696.13 = 57,831.95/x
  3. Step 3: Cross multiply
    105,576.88x = 145,696.13 × 57,831.95
  4. Step 4: Simplify right side
    105,576.88x = 8,425,891,305.35
  5. Step 5: Solve for x
    x = 8,425,891,305.35/105,576.88
  6. Step 6: Final answer
    x = 79,808.11

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