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Finding the Fourth Proportional to 116,504.19, 174,931.25 and 66,640.59

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Solution

The fourth proportional to 116,504.19, 174,931.25 and 66,640.59 is: 100,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,504.19 : 174,931.25 = 66,640.59 : x
  2. Step 2: Convert to fraction form
    116,504.19/174,931.25 = 66,640.59/x
  3. Step 3: Cross multiply
    116,504.19x = 174,931.25 × 66,640.59
  4. Step 4: Simplify right side
    116,504.19x = 11,657,522,146.77
  5. Step 5: Solve for x
    x = 11,657,522,146.77/116,504.19
  6. Step 6: Final answer
    x = 100,060.97

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