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Finding the Fourth Proportional to 270,052.40, 372,679.83 and 149,201.48

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Solution

The fourth proportional to 270,052.40, 372,679.83 and 149,201.48 is: 205,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,052.40 : 372,679.83 = 149,201.48 : x
  2. Step 2: Convert to fraction form
    270,052.40/372,679.83 = 149,201.48/x
  3. Step 3: Cross multiply
    270,052.40x = 372,679.83 × 149,201.48
  4. Step 4: Simplify right side
    270,052.40x = 55,604,382,202.15
  5. Step 5: Solve for x
    x = 55,604,382,202.15/270,052.40
  6. Step 6: Final answer
    x = 205,902.20

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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.