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Finding the Fourth Proportional to 163,716.90, 225,928.46 and 92,097.44

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Solution

The fourth proportional to 163,716.90, 225,928.46 and 92,097.44 is: 127,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,716.90 : 225,928.46 = 92,097.44 : x
  2. Step 2: Convert to fraction form
    163,716.90/225,928.46 = 92,097.44/x
  3. Step 3: Cross multiply
    163,716.90x = 225,928.46 × 92,097.44
  4. Step 4: Simplify right side
    163,716.90x = 20,807,432,789.14
  5. Step 5: Solve for x
    x = 20,807,432,789.14/163,716.90
  6. Step 6: Final answer
    x = 127,093.98

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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.