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Finding the Fourth Proportional to 337,162.49, 505,817.67 and 126,800.45

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Solution

The fourth proportional to 337,162.49, 505,817.67 and 126,800.45 is: 190,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,162.49 : 505,817.67 = 126,800.45 : x
  2. Step 2: Convert to fraction form
    337,162.49/505,817.67 = 126,800.45/x
  3. Step 3: Cross multiply
    337,162.49x = 505,817.67 × 126,800.45
  4. Step 4: Simplify right side
    337,162.49x = 64,137,908,173.95
  5. Step 5: Solve for x
    x = 64,137,908,173.95/337,162.49
  6. Step 6: Final answer
    x = 190,228.48

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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.