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Finding the Fourth Proportional to 73,236.52, 109,849.20 and 23,318.20

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Solution

The fourth proportional to 73,236.52, 109,849.20 and 23,318.20 is: 34,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,236.52 : 109,849.20 = 23,318.20 : x
  2. Step 2: Convert to fraction form
    73,236.52/109,849.20 = 23,318.20/x
  3. Step 3: Cross multiply
    73,236.52x = 109,849.20 × 23,318.20
  4. Step 4: Simplify right side
    73,236.52x = 2,561,485,615.44
  5. Step 5: Solve for x
    x = 2,561,485,615.44/73,236.52
  6. Step 6: Final answer
    x = 34,975.52

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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.