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Finding the Fourth Proportional to 275,959.56, 413,564.94 and 126,013.92

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Solution

The fourth proportional to 275,959.56, 413,564.94 and 126,013.92 is: 188,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,959.56 : 413,564.94 = 126,013.92 : x
  2. Step 2: Convert to fraction form
    275,959.56/413,564.94 = 126,013.92/x
  3. Step 3: Cross multiply
    275,959.56x = 413,564.94 × 126,013.92
  4. Step 4: Simplify right side
    275,959.56x = 52,114,939,263.96
  5. Step 5: Solve for x
    x = 52,114,939,263.96/275,959.56
  6. Step 6: Final answer
    x = 188,849.91

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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.