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Finding the Fourth Proportional to 337,168.44, 505,772.16 and 126,808.20

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Solution

The fourth proportional to 337,168.44, 505,772.16 and 126,808.20 is: 190,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,168.44 : 505,772.16 = 126,808.20 : x
  2. Step 2: Convert to fraction form
    337,168.44/505,772.16 = 126,808.20/x
  3. Step 3: Cross multiply
    337,168.44x = 505,772.16 × 126,808.20
  4. Step 4: Simplify right side
    337,168.44x = 64,136,057,219.71
  5. Step 5: Solve for x
    x = 64,136,057,219.71/337,168.44
  6. Step 6: Final answer
    x = 190,219.63

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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.