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Finding the Fourth Proportional to 316,192.43, 474,289.46 and 129,203.93

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Solution

The fourth proportional to 316,192.43, 474,289.46 and 129,203.93 is: 193,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,192.43 : 474,289.46 = 129,203.93 : x
  2. Step 2: Convert to fraction form
    316,192.43/474,289.46 = 129,203.93/x
  3. Step 3: Cross multiply
    316,192.43x = 474,289.46 × 129,203.93
  4. Step 4: Simplify right side
    316,192.43x = 61,280,061,543.56
  5. Step 5: Solve for x
    x = 61,280,061,543.56/316,192.43
  6. Step 6: Final answer
    x = 193,806.23

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