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Finding the Fourth Proportional to 219,338.49, 329,112.32 and 119,496.48

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Solution

The fourth proportional to 219,338.49, 329,112.32 and 119,496.48 is: 179,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,338.49 : 329,112.32 = 119,496.48 : x
  2. Step 2: Convert to fraction form
    219,338.49/329,112.32 = 119,496.48/x
  3. Step 3: Cross multiply
    219,338.49x = 329,112.32 × 119,496.48
  4. Step 4: Simplify right side
    219,338.49x = 39,327,763,764.63
  5. Step 5: Solve for x
    x = 39,327,763,764.63/219,338.49
  6. Step 6: Final answer
    x = 179,301.70

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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.