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Finding the Fourth Proportional to 163,722.41, 225,936.59 and 92,102.49

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Solution

The fourth proportional to 163,722.41, 225,936.59 and 92,102.49 is: 127,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,722.41 : 225,936.59 = 92,102.49 : x
  2. Step 2: Convert to fraction form
    163,722.41/225,936.59 = 92,102.49/x
  3. Step 3: Cross multiply
    163,722.41x = 225,936.59 × 92,102.49
  4. Step 4: Simplify right side
    163,722.41x = 20,809,322,521.11
  5. Step 5: Solve for x
    x = 20,809,322,521.11/163,722.41
  6. Step 6: Final answer
    x = 127,101.25

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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.