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Finding the Fourth Proportional to 199,796.45, 275,719.08 and 110,372.45

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Solution

The fourth proportional to 199,796.45, 275,719.08 and 110,372.45 is: 152,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,796.45 : 275,719.08 = 110,372.45 : x
  2. Step 2: Convert to fraction form
    199,796.45/275,719.08 = 110,372.45/x
  3. Step 3: Cross multiply
    199,796.45x = 275,719.08 × 110,372.45
  4. Step 4: Simplify right side
    199,796.45x = 30,431,788,992.75
  5. Step 5: Solve for x
    x = 30,431,788,992.75/199,796.45
  6. Step 6: Final answer
    x = 152,313.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.