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Finding the Fourth Proportional to 165,395.99, 248,175.96 and 65,553.97

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Solution

The fourth proportional to 165,395.99, 248,175.96 and 65,553.97 is: 98,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,395.99 : 248,175.96 = 65,553.97 : x
  2. Step 2: Convert to fraction form
    165,395.99/248,175.96 = 65,553.97/x
  3. Step 3: Cross multiply
    165,395.99x = 248,175.96 × 65,553.97
  4. Step 4: Simplify right side
    165,395.99x = 16,268,917,867.91
  5. Step 5: Solve for x
    x = 16,268,917,867.91/165,395.99
  6. Step 6: Final answer
    x = 98,363.44

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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.