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Finding the Fourth Proportional to 77,822.74, 107,394.21 and 43,831.29

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Solution

The fourth proportional to 77,822.74, 107,394.21 and 43,831.29 is: 60,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,822.74 : 107,394.21 = 43,831.29 : x
  2. Step 2: Convert to fraction form
    77,822.74/107,394.21 = 43,831.29/x
  3. Step 3: Cross multiply
    77,822.74x = 107,394.21 × 43,831.29
  4. Step 4: Simplify right side
    77,822.74x = 4,707,226,762.83
  5. Step 5: Solve for x
    x = 4,707,226,762.83/77,822.74
  6. Step 6: Final answer
    x = 60,486.52

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