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Finding the Fourth Proportional to 270,048.54, 372,665.79 and 149,189.85

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Solution

The fourth proportional to 270,048.54, 372,665.79 and 149,189.85 is: 205,881.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,048.54 : 372,665.79 = 149,189.85 : x
  2. Step 2: Convert to fraction form
    270,048.54/372,665.79 = 149,189.85/x
  3. Step 3: Cross multiply
    270,048.54x = 372,665.79 × 149,189.85
  4. Step 4: Simplify right side
    270,048.54x = 55,597,953,310.23
  5. Step 5: Solve for x
    x = 55,597,953,310.23/270,048.54
  6. Step 6: Final answer
    x = 205,881.33

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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.