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Finding the Fourth Proportional to 219,884.52, 303,388.31 and 133,842.58

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Solution

The fourth proportional to 219,884.52, 303,388.31 and 133,842.58 is: 184,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,884.52 : 303,388.31 = 133,842.58 : x
  2. Step 2: Convert to fraction form
    219,884.52/303,388.31 = 133,842.58/x
  3. Step 3: Cross multiply
    219,884.52x = 303,388.31 × 133,842.58
  4. Step 4: Simplify right side
    219,884.52x = 40,606,273,351.94
  5. Step 5: Solve for x
    x = 40,606,273,351.94/219,884.52
  6. Step 6: Final answer
    x = 184,670.90

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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.