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Finding the Fourth Proportional to 168,492,661.20, 252,738,991.80 and 149,345,038.80

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Solution

The fourth proportional to 168,492,661.20, 252,738,991.80 and 149,345,038.80 is: 224,017,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,492,661.20 : 252,738,991.80 = 149,345,038.80 : x
  2. Step 2: Convert to fraction form
    168,492,661.20/252,738,991.80 = 149,345,038.80/x
  3. Step 3: Cross multiply
    168,492,661.20x = 252,738,991.80 × 149,345,038.80
  4. Step 4: Simplify right side
    168,492,661.20x = 37,745,314,536,643,888
  5. Step 5: Solve for x
    x = 37,745,314,536,643,888/168,492,661.20
  6. Step 6: Final answer
    x = 224,017,558.20

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