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Finding the Fourth Proportional to 188,769.72, 283,148.10 and 55,644.60

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Solution

The fourth proportional to 188,769.72, 283,148.10 and 55,644.60 is: 83,464.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,769.72 : 283,148.10 = 55,644.60 : x
  2. Step 2: Convert to fraction form
    188,769.72/283,148.10 = 55,644.60/x
  3. Step 3: Cross multiply
    188,769.72x = 283,148.10 × 55,644.60
  4. Step 4: Simplify right side
    188,769.72x = 15,755,662,765.26
  5. Step 5: Solve for x
    x = 15,755,662,765.26/188,769.72
  6. Step 6: Final answer
    x = 83,464.99

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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.