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Finding the Fourth Proportional to 73,356.72, 109,993.77 and 23,425.08

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Solution

The fourth proportional to 73,356.72, 109,993.77 and 23,425.08 is: 35,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,356.72 : 109,993.77 = 23,425.08 : x
  2. Step 2: Convert to fraction form
    73,356.72/109,993.77 = 23,425.08/x
  3. Step 3: Cross multiply
    73,356.72x = 109,993.77 × 23,425.08
  4. Step 4: Simplify right side
    73,356.72x = 2,576,612,861.75
  5. Step 5: Solve for x
    x = 2,576,612,861.75/73,356.72
  6. Step 6: Final answer
    x = 35,124.43

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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.