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Finding the Fourth Proportional to 294,082.88, 441,168.08 and 136,327.28

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Solution

The fourth proportional to 294,082.88, 441,168.08 and 136,327.28 is: 204,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,082.88 : 441,168.08 = 136,327.28 : x
  2. Step 2: Convert to fraction form
    294,082.88/441,168.08 = 136,327.28/x
  3. Step 3: Cross multiply
    294,082.88x = 441,168.08 × 136,327.28
  4. Step 4: Simplify right side
    294,082.88x = 60,143,244,369.22
  5. Step 5: Solve for x
    x = 60,143,244,369.22/294,082.88
  6. Step 6: Final answer
    x = 204,511.21

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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.