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Finding the Fourth Proportional to 163,638.77, 225,824.56 and 95,661.54

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Solution

The fourth proportional to 163,638.77, 225,824.56 and 95,661.54 is: 132,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,638.77 : 225,824.56 = 95,661.54 : x
  2. Step 2: Convert to fraction form
    163,638.77/225,824.56 = 95,661.54/x
  3. Step 3: Cross multiply
    163,638.77x = 225,824.56 × 95,661.54
  4. Step 4: Simplify right side
    163,638.77x = 21,602,724,940.27
  5. Step 5: Solve for x
    x = 21,602,724,940.27/163,638.77
  6. Step 6: Final answer
    x = 132,014.72

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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.