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Finding the Fourth Proportional to 116,463.60, 174,695.40 and 103,561.20

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Solution

The fourth proportional to 116,463.60, 174,695.40 and 103,561.20 is: 155,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,463.60 : 174,695.40 = 103,561.20 : x
  2. Step 2: Convert to fraction form
    116,463.60/174,695.40 = 103,561.20/x
  3. Step 3: Cross multiply
    116,463.60x = 174,695.40 × 103,561.20
  4. Step 4: Simplify right side
    116,463.60x = 18,091,665,258.48
  5. Step 5: Solve for x
    x = 18,091,665,258.48/116,463.60
  6. Step 6: Final answer
    x = 155,341.80

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