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Finding the Fourth Proportional to 119,285.88, 164,606.22 and 65,569.56

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Solution

The fourth proportional to 119,285.88, 164,606.22 and 65,569.56 is: 90,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,285.88 : 164,606.22 = 65,569.56 : x
  2. Step 2: Convert to fraction form
    119,285.88/164,606.22 = 65,569.56/x
  3. Step 3: Cross multiply
    119,285.88x = 164,606.22 × 65,569.56
  4. Step 4: Simplify right side
    119,285.88x = 10,793,157,418.66
  5. Step 5: Solve for x
    x = 10,793,157,418.66/119,285.88
  6. Step 6: Final answer
    x = 90,481.43

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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.