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Finding the Fourth Proportional to 119,568.36, 164,997.72 and 65,843.22

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Solution

The fourth proportional to 119,568.36, 164,997.72 and 65,843.22 is: 90,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,568.36 : 164,997.72 = 65,843.22 : x
  2. Step 2: Convert to fraction form
    119,568.36/164,997.72 = 65,843.22/x
  3. Step 3: Cross multiply
    119,568.36x = 164,997.72 × 65,843.22
  4. Step 4: Simplify right side
    119,568.36x = 10,863,981,177.46
  5. Step 5: Solve for x
    x = 10,863,981,177.46/119,568.36
  6. Step 6: Final answer
    x = 90,860.00

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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.