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Finding the Fourth Proportional to 361,208.81, 541,848.86 and 124,520.33

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Solution

The fourth proportional to 361,208.81, 541,848.86 and 124,520.33 is: 186,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,208.81 : 541,848.86 = 124,520.33 : x
  2. Step 2: Convert to fraction form
    361,208.81/541,848.86 = 124,520.33/x
  3. Step 3: Cross multiply
    361,208.81x = 541,848.86 × 124,520.33
  4. Step 4: Simplify right side
    361,208.81x = 67,471,198,234.72
  5. Step 5: Solve for x
    x = 67,471,198,234.72/361,208.81
  6. Step 6: Final answer
    x = 186,792.78

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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.