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Finding the Fourth Proportional to 337,131.70, 505,771.40 and 126,769.64

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Solution

The fourth proportional to 337,131.70, 505,771.40 and 126,769.64 is: 190,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,131.70 : 505,771.40 = 126,769.64 : x
  2. Step 2: Convert to fraction form
    337,131.70/505,771.40 = 126,769.64/x
  3. Step 3: Cross multiply
    337,131.70x = 505,771.40 × 126,769.64
  4. Step 4: Simplify right side
    337,131.70x = 64,116,456,402.02
  5. Step 5: Solve for x
    x = 64,116,456,402.02/337,131.70
  6. Step 6: Final answer
    x = 190,182.22

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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.