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Finding the Fourth Proportional to 283,960.80, 425,992.20 and 96,928.56

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Solution

The fourth proportional to 283,960.80, 425,992.20 and 96,928.56 is: 145,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,960.80 : 425,992.20 = 96,928.56 : x
  2. Step 2: Convert to fraction form
    283,960.80/425,992.20 = 96,928.56/x
  3. Step 3: Cross multiply
    283,960.80x = 425,992.20 × 96,928.56
  4. Step 4: Simplify right side
    283,960.80x = 41,290,810,517.23
  5. Step 5: Solve for x
    x = 41,290,810,517.23/283,960.80
  6. Step 6: Final answer
    x = 145,410.25

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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.