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Finding the Fourth Proportional to 205,568.56, 308,348.04 and 94,760.56

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Solution

The fourth proportional to 205,568.56, 308,348.04 and 94,760.56 is: 142,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,568.56 : 308,348.04 = 94,760.56 : x
  2. Step 2: Convert to fraction form
    205,568.56/308,348.04 = 94,760.56/x
  3. Step 3: Cross multiply
    205,568.56x = 308,348.04 × 94,760.56
  4. Step 4: Simplify right side
    205,568.56x = 29,219,232,945.30
  5. Step 5: Solve for x
    x = 29,219,232,945.30/205,568.56
  6. Step 6: Final answer
    x = 142,138.63

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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.