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Finding the Fourth Proportional to 199,932.80, 299,932.80 and 59,705.60

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Solution

The fourth proportional to 199,932.80, 299,932.80 and 59,705.60 is: 89,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,932.80 : 299,932.80 = 59,705.60 : x
  2. Step 2: Convert to fraction form
    199,932.80/299,932.80 = 59,705.60/x
  3. Step 3: Cross multiply
    199,932.80x = 299,932.80 × 59,705.60
  4. Step 4: Simplify right side
    199,932.80x = 17,907,667,783.68
  5. Step 5: Solve for x
    x = 17,907,667,783.68/199,932.80
  6. Step 6: Final answer
    x = 89,568.43

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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.