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Finding the Fourth Proportional to 227,979.56, 341,969.34 and 61,767.56

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Solution

The fourth proportional to 227,979.56, 341,969.34 and 61,767.56 is: 92,651.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,979.56 : 341,969.34 = 61,767.56 : x
  2. Step 2: Convert to fraction form
    227,979.56/341,969.34 = 61,767.56/x
  3. Step 3: Cross multiply
    227,979.56x = 341,969.34 × 61,767.56
  4. Step 4: Simplify right side
    227,979.56x = 21,122,612,813.16
  5. Step 5: Solve for x
    x = 21,122,612,813.16/227,979.56
  6. Step 6: Final answer
    x = 92,651.34

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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.