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Finding the Fourth Proportional to 219,965.52, 303,553.20 and 119,363.52

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Solution

The fourth proportional to 219,965.52, 303,553.20 and 119,363.52 is: 164,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,965.52 : 303,553.20 = 119,363.52 : x
  2. Step 2: Convert to fraction form
    219,965.52/303,553.20 = 119,363.52/x
  3. Step 3: Cross multiply
    219,965.52x = 303,553.20 × 119,363.52
  4. Step 4: Simplify right side
    219,965.52x = 36,233,178,459.26
  5. Step 5: Solve for x
    x = 36,233,178,459.26/219,965.52
  6. Step 6: Final answer
    x = 164,722.08

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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.