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Finding the Fourth Proportional to 161,738.90, 242,644.80 and 49,424.30

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Solution

The fourth proportional to 161,738.90, 242,644.80 and 49,424.30 is: 74,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,738.90 : 242,644.80 = 49,424.30 : x
  2. Step 2: Convert to fraction form
    161,738.90/242,644.80 = 49,424.30/x
  3. Step 3: Cross multiply
    161,738.90x = 242,644.80 × 49,424.30
  4. Step 4: Simplify right side
    161,738.90x = 11,992,549,388.64
  5. Step 5: Solve for x
    x = 11,992,549,388.64/161,738.90
  6. Step 6: Final answer
    x = 74,147.59

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