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Finding the Fourth Proportional to 270,116.64, 372,764.97 and 149,260.73

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Solution

The fourth proportional to 270,116.64, 372,764.97 and 149,260.73 is: 205,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,116.64 : 372,764.97 = 149,260.73 : x
  2. Step 2: Convert to fraction form
    270,116.64/372,764.97 = 149,260.73/x
  3. Step 3: Cross multiply
    270,116.64x = 372,764.97 × 149,260.73
  4. Step 4: Simplify right side
    270,116.64x = 55,639,169,676.80
  5. Step 5: Solve for x
    x = 55,639,169,676.80/270,116.64
  6. Step 6: Final answer
    x = 205,982.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.