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Finding the Fourth Proportional to 275,957.56, 413,561.94 and 126,011.92

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Solution

The fourth proportional to 275,957.56, 413,561.94 and 126,011.92 is: 188,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,957.56 : 413,561.94 = 126,011.92 : x
  2. Step 2: Convert to fraction form
    275,957.56/413,561.94 = 126,011.92/x
  3. Step 3: Cross multiply
    275,957.56x = 413,561.94 × 126,011.92
  4. Step 4: Simplify right side
    275,957.56x = 52,113,734,098.32
  5. Step 5: Solve for x
    x = 52,113,734,098.32/275,957.56
  6. Step 6: Final answer
    x = 188,846.92

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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.