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Finding the Fourth Proportional to 164,806.92, 247,007.88 and 75,936.96

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Solution

The fourth proportional to 164,806.92, 247,007.88 and 75,936.96 is: 113,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,806.92 : 247,007.88 = 75,936.96 : x
  2. Step 2: Convert to fraction form
    164,806.92/247,007.88 = 75,936.96/x
  3. Step 3: Cross multiply
    164,806.92x = 247,007.88 × 75,936.96
  4. Step 4: Simplify right side
    164,806.92x = 18,757,027,503.24
  5. Step 5: Solve for x
    x = 18,757,027,503.24/164,806.92
  6. Step 6: Final answer
    x = 113,812.14

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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.