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Finding the Fourth Proportional to 222,991.36, 334,484.13 and 54,513.17

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Solution

The fourth proportional to 222,991.36, 334,484.13 and 54,513.17 is: 81,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,991.36 : 334,484.13 = 54,513.17 : x
  2. Step 2: Convert to fraction form
    222,991.36/334,484.13 = 54,513.17/x
  3. Step 3: Cross multiply
    222,991.36x = 334,484.13 × 54,513.17
  4. Step 4: Simplify right side
    222,991.36x = 18,233,790,240.99
  5. Step 5: Solve for x
    x = 18,233,790,240.99/222,991.36
  6. Step 6: Final answer
    x = 81,769.04

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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.