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Finding the Fourth Proportional to 116,005.20, 174,169.80 and 74,144.40

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Solution

The fourth proportional to 116,005.20, 174,169.80 and 74,144.40 is: 111,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,005.20 : 174,169.80 = 74,144.40 : x
  2. Step 2: Convert to fraction form
    116,005.20/174,169.80 = 74,144.40/x
  3. Step 3: Cross multiply
    116,005.20x = 174,169.80 × 74,144.40
  4. Step 4: Simplify right side
    116,005.20x = 12,913,715,319.12
  5. Step 5: Solve for x
    x = 12,913,715,319.12/116,005.20
  6. Step 6: Final answer
    x = 111,320.14

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