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Finding the Fourth Proportional to 164,494.80, 246,839.40 and 108,496.80

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Solution

The fourth proportional to 164,494.80, 246,839.40 and 108,496.80 is: 162,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,494.80 : 246,839.40 = 108,496.80 : x
  2. Step 2: Convert to fraction form
    164,494.80/246,839.40 = 108,496.80/x
  3. Step 3: Cross multiply
    164,494.80x = 246,839.40 × 108,496.80
  4. Step 4: Simplify right side
    164,494.80x = 26,781,285,013.92
  5. Step 5: Solve for x
    x = 26,781,285,013.92/164,494.80
  6. Step 6: Final answer
    x = 162,809.31

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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.