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Finding the Fourth Proportional to 337,129.57, 505,768.21 and 126,767.51

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Solution

The fourth proportional to 337,129.57, 505,768.21 and 126,767.51 is: 190,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,129.57 : 505,768.21 = 126,767.51 : x
  2. Step 2: Convert to fraction form
    337,129.57/505,768.21 = 126,767.51/x
  3. Step 3: Cross multiply
    337,129.57x = 505,768.21 × 126,767.51
  4. Step 4: Simplify right side
    337,129.57x = 64,114,976,618.86
  5. Step 5: Solve for x
    x = 64,114,976,618.86/337,129.57
  6. Step 6: Final answer
    x = 190,179.04

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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.