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Finding the Fourth Proportional to 214,736.80, 322,148.40 and 74,466.40

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Solution

The fourth proportional to 214,736.80, 322,148.40 and 74,466.40 is: 111,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,736.80 : 322,148.40 = 74,466.40 : x
  2. Step 2: Convert to fraction form
    214,736.80/322,148.40 = 74,466.40/x
  3. Step 3: Cross multiply
    214,736.80x = 322,148.40 × 74,466.40
  4. Step 4: Simplify right side
    214,736.80x = 23,989,231,613.76
  5. Step 5: Solve for x
    x = 23,989,231,613.76/214,736.80
  6. Step 6: Final answer
    x = 111,714.58

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