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Finding the Fourth Proportional to 203,758.70, 305,054.85 and 180,430.70

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Solution

The fourth proportional to 203,758.70, 305,054.85 and 180,430.70 is: 270,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,758.70 : 305,054.85 = 180,430.70 : x
  2. Step 2: Convert to fraction form
    203,758.70/305,054.85 = 180,430.70/x
  3. Step 3: Cross multiply
    203,758.70x = 305,054.85 × 180,430.70
  4. Step 4: Simplify right side
    203,758.70x = 55,041,260,123.90
  5. Step 5: Solve for x
    x = 55,041,260,123.90/203,758.70
  6. Step 6: Final answer
    x = 270,129.62

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