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Finding the Fourth Proportional to 151,796.60, 227,832.60 and 76,968.80

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Solution

The fourth proportional to 151,796.60, 227,832.60 and 76,968.80 is: 115,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,796.60 : 227,832.60 = 76,968.80 : x
  2. Step 2: Convert to fraction form
    151,796.60/227,832.60 = 76,968.80/x
  3. Step 3: Cross multiply
    151,796.60x = 227,832.60 × 76,968.80
  4. Step 4: Simplify right side
    151,796.60x = 17,536,001,822.88
  5. Step 5: Solve for x
    x = 17,536,001,822.88/151,796.60
  6. Step 6: Final answer
    x = 115,523.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.