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Finding the Fourth Proportional to 132,530.37, 182,831.63 and 78,784.89

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Solution

The fourth proportional to 132,530.37, 182,831.63 and 78,784.89 is: 108,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,530.37 : 182,831.63 = 78,784.89 : x
  2. Step 2: Convert to fraction form
    132,530.37/182,831.63 = 78,784.89/x
  3. Step 3: Cross multiply
    132,530.37x = 182,831.63 × 78,784.89
  4. Step 4: Simplify right side
    132,530.37x = 14,404,369,858.07
  5. Step 5: Solve for x
    x = 14,404,369,858.07/132,530.37
  6. Step 6: Final answer
    x = 108,687.31

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