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Finding the Fourth Proportional to 163,722.36, 225,934.44 and 92,102.42

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Solution

The fourth proportional to 163,722.36, 225,934.44 and 92,102.42 is: 127,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,722.36 : 225,934.44 = 92,102.42 : x
  2. Step 2: Convert to fraction form
    163,722.36/225,934.44 = 92,102.42/x
  3. Step 3: Cross multiply
    163,722.36x = 225,934.44 × 92,102.42
  4. Step 4: Simplify right side
    163,722.36x = 20,809,108,685.34
  5. Step 5: Solve for x
    x = 20,809,108,685.34/163,722.36
  6. Step 6: Final answer
    x = 127,099.98

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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.