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Finding the Fourth Proportional to 360,797.76, 541,190.97 and 124,142.49

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Solution

The fourth proportional to 360,797.76, 541,190.97 and 124,142.49 is: 186,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,797.76 : 541,190.97 = 124,142.49 : x
  2. Step 2: Convert to fraction form
    360,797.76/541,190.97 = 124,142.49/x
  3. Step 3: Cross multiply
    360,797.76x = 541,190.97 × 124,142.49
  4. Step 4: Simplify right side
    360,797.76x = 67,184,794,581.32
  5. Step 5: Solve for x
    x = 67,184,794,581.32/360,797.76
  6. Step 6: Final answer
    x = 186,211.78

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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.