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Finding the Fourth Proportional to 252,969.86, 379,346.77 and 146,427.37

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Solution

The fourth proportional to 252,969.86, 379,346.77 and 146,427.37 is: 219,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,969.86 : 379,346.77 = 146,427.37 : x
  2. Step 2: Convert to fraction form
    252,969.86/379,346.77 = 146,427.37/x
  3. Step 3: Cross multiply
    252,969.86x = 379,346.77 × 146,427.37
  4. Step 4: Simplify right side
    252,969.86x = 55,546,749,849.09
  5. Step 5: Solve for x
    x = 55,546,749,849.09/252,969.86
  6. Step 6: Final answer
    x = 219,578.53

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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.