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Finding the Fourth Proportional to 219,965.36, 303,552.44 and 119,363.36

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Solution

The fourth proportional to 219,965.36, 303,552.44 and 119,363.36 is: 164,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,965.36 : 303,552.44 = 119,363.36 : x
  2. Step 2: Convert to fraction form
    219,965.36/303,552.44 = 119,363.36/x
  3. Step 3: Cross multiply
    219,965.36x = 303,552.44 × 119,363.36
  4. Step 4: Simplify right side
    219,965.36x = 36,233,039,174.60
  5. Step 5: Solve for x
    x = 36,233,039,174.60/219,965.36
  6. Step 6: Final answer
    x = 164,721.57

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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.