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Finding the Fourth Proportional to 163,639.77, 225,825.94 and 95,662.54

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Solution

The fourth proportional to 163,639.77, 225,825.94 and 95,662.54 is: 132,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,639.77 : 225,825.94 = 95,662.54 : x
  2. Step 2: Convert to fraction form
    163,639.77/225,825.94 = 95,662.54/x
  3. Step 3: Cross multiply
    163,639.77x = 225,825.94 × 95,662.54
  4. Step 4: Simplify right side
    163,639.77x = 21,603,083,018.29
  5. Step 5: Solve for x
    x = 21,603,083,018.29/163,639.77
  6. Step 6: Final answer
    x = 132,016.09

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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.