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Finding the Fourth Proportional to 164,790, 247,234.20 and 116,850.96

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Solution

The fourth proportional to 164,790, 247,234.20 and 116,850.96 is: 175,311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,790 : 247,234.20 = 116,850.96 : x
  2. Step 2: Convert to fraction form
    164,790/247,234.20 = 116,850.96/x
  3. Step 3: Cross multiply
    164,790x = 247,234.20 × 116,850.96
  4. Step 4: Simplify right side
    164,790x = 28,889,553,614.83
  5. Step 5: Solve for x
    x = 28,889,553,614.83/164,790
  6. Step 6: Final answer
    x = 175,311.33

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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.