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Finding the Fourth Proportional to 225,155.34, 337,732.92 and 106,762.05

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Solution

The fourth proportional to 225,155.34, 337,732.92 and 106,762.05 is: 160,143.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,155.34 : 337,732.92 = 106,762.05 : x
  2. Step 2: Convert to fraction form
    225,155.34/337,732.92 = 106,762.05/x
  3. Step 3: Cross multiply
    225,155.34x = 337,732.92 × 106,762.05
  4. Step 4: Simplify right side
    225,155.34x = 36,057,058,891.69
  5. Step 5: Solve for x
    x = 36,057,058,891.69/225,155.34
  6. Step 6: Final answer
    x = 160,143.03

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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.