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Finding the Fourth Proportional to 337,158.99, 505,812.42 and 126,796.95

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Solution

The fourth proportional to 337,158.99, 505,812.42 and 126,796.95 is: 190,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,158.99 : 505,812.42 = 126,796.95 : x
  2. Step 2: Convert to fraction form
    337,158.99/505,812.42 = 126,796.95/x
  3. Step 3: Cross multiply
    337,158.99x = 505,812.42 × 126,796.95
  4. Step 4: Simplify right side
    337,158.99x = 64,135,472,128.12
  5. Step 5: Solve for x
    x = 64,135,472,128.12/337,158.99
  6. Step 6: Final answer
    x = 190,223.23

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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.