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Finding the Fourth Proportional to 226,612.80, 339,669.72 and 93,420

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Solution

The fourth proportional to 226,612.80, 339,669.72 and 93,420 is: 140,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,612.80 : 339,669.72 = 93,420 : x
  2. Step 2: Convert to fraction form
    226,612.80/339,669.72 = 93,420/x
  3. Step 3: Cross multiply
    226,612.80x = 339,669.72 × 93,420
  4. Step 4: Simplify right side
    226,612.80x = 31,731,945,242.40
  5. Step 5: Solve for x
    x = 31,731,945,242.40/226,612.80
  6. Step 6: Final answer
    x = 140,027.15

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