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Finding the Fourth Proportional to 337,172.57, 505,778.33 and 126,812.33

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Solution

The fourth proportional to 337,172.57, 505,778.33 and 126,812.33 is: 190,225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,172.57 : 505,778.33 = 126,812.33 : x
  2. Step 2: Convert to fraction form
    337,172.57/505,778.33 = 126,812.33/x
  3. Step 3: Cross multiply
    337,172.57x = 505,778.33 × 126,812.33
  4. Step 4: Simplify right side
    337,172.57x = 64,138,926,278.95
  5. Step 5: Solve for x
    x = 64,138,926,278.95/337,172.57
  6. Step 6: Final answer
    x = 190,225.82

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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.