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Finding the Fourth Proportional to 215,957.25, 298,021.28 and 120,470.04

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Solution

The fourth proportional to 215,957.25, 298,021.28 and 120,470.04 is: 166,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,957.25 : 298,021.28 = 120,470.04 : x
  2. Step 2: Convert to fraction form
    215,957.25/298,021.28 = 120,470.04/x
  3. Step 3: Cross multiply
    215,957.25x = 298,021.28 × 120,470.04
  4. Step 4: Simplify right side
    215,957.25x = 35,902,634,920.10
  5. Step 5: Solve for x
    x = 35,902,634,920.10/215,957.25
  6. Step 6: Final answer
    x = 166,248.81

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