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Finding the Fourth Proportional to 163,992.98, 245,905.02 and 75,170.41

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Solution

The fourth proportional to 163,992.98, 245,905.02 and 75,170.41 is: 112,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,992.98 : 245,905.02 = 75,170.41 : x
  2. Step 2: Convert to fraction form
    163,992.98/245,905.02 = 75,170.41/x
  3. Step 3: Cross multiply
    163,992.98x = 245,905.02 × 75,170.41
  4. Step 4: Simplify right side
    163,992.98x = 18,484,780,559.70
  5. Step 5: Solve for x
    x = 18,484,780,559.70/163,992.98
  6. Step 6: Final answer
    x = 112,716.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.