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Finding the Fourth Proportional to 53,978,654.90, 80,967,982.35 and 48,771,845.30

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Solution

The fourth proportional to 53,978,654.90, 80,967,982.35 and 48,771,845.30 is: 73,157,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,978,654.90 : 80,967,982.35 = 48,771,845.30 : x
  2. Step 2: Convert to fraction form
    53,978,654.90/80,967,982.35 = 48,771,845.30/x
  3. Step 3: Cross multiply
    53,978,654.90x = 80,967,982.35 × 48,771,845.30
  4. Step 4: Simplify right side
    53,978,654.90x = 3,948,957,909,427,330
  5. Step 5: Solve for x
    x = 3,948,957,909,427,330/53,978,654.90
  6. Step 6: Final answer
    x = 73,157,767.95

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Why These Related Problems?

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