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Finding the Fourth Proportional to 176,234.13, 243,178.61 and 103,640.31

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Solution

The fourth proportional to 176,234.13, 243,178.61 and 103,640.31 is: 143,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,234.13 : 243,178.61 = 103,640.31 : x
  2. Step 2: Convert to fraction form
    176,234.13/243,178.61 = 103,640.31/x
  3. Step 3: Cross multiply
    176,234.13x = 243,178.61 × 103,640.31
  4. Step 4: Simplify right side
    176,234.13x = 25,203,106,007.57
  5. Step 5: Solve for x
    x = 25,203,106,007.57/176,234.13
  6. Step 6: Final answer
    x = 143,009.22

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