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Finding the Fourth Proportional to 192,913.60, 290,061.60 and 162,500.80

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Solution

The fourth proportional to 192,913.60, 290,061.60 and 162,500.80 is: 244,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,913.60 : 290,061.60 = 162,500.80 : x
  2. Step 2: Convert to fraction form
    192,913.60/290,061.60 = 162,500.80/x
  3. Step 3: Cross multiply
    192,913.60x = 290,061.60 × 162,500.80
  4. Step 4: Simplify right side
    192,913.60x = 47,135,242,049.28
  5. Step 5: Solve for x
    x = 47,135,242,049.28/192,913.60
  6. Step 6: Final answer
    x = 244,333.43

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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.