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Finding the Fourth Proportional to 270,481.50, 373,281.75 and 151,249.50

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Solution

The fourth proportional to 270,481.50, 373,281.75 and 151,249.50 is: 208,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,481.50 : 373,281.75 = 151,249.50 : x
  2. Step 2: Convert to fraction form
    270,481.50/373,281.75 = 151,249.50/x
  3. Step 3: Cross multiply
    270,481.50x = 373,281.75 × 151,249.50
  4. Step 4: Simplify right side
    270,481.50x = 56,458,678,046.63
  5. Step 5: Solve for x
    x = 56,458,678,046.63/270,481.50
  6. Step 6: Final answer
    x = 208,733.97

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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.