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Finding the Fourth Proportional to 73,805.40, 110,724.30 and 36,383.40

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Solution

The fourth proportional to 73,805.40, 110,724.30 and 36,383.40 is: 54,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,805.40 : 110,724.30 = 36,383.40 : x
  2. Step 2: Convert to fraction form
    73,805.40/110,724.30 = 36,383.40/x
  3. Step 3: Cross multiply
    73,805.40x = 110,724.30 × 36,383.40
  4. Step 4: Simplify right side
    73,805.40x = 4,028,526,496.62
  5. Step 5: Solve for x
    x = 4,028,526,496.62/73,805.40
  6. Step 6: Final answer
    x = 54,583.09

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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.