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Finding the Fourth Proportional to 164,503.80, 246,755.70 and 161,879.40

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Solution

The fourth proportional to 164,503.80, 246,755.70 and 161,879.40 is: 242,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,503.80 : 246,755.70 = 161,879.40 : x
  2. Step 2: Convert to fraction form
    164,503.80/246,755.70 = 161,879.40/x
  3. Step 3: Cross multiply
    164,503.80x = 246,755.70 × 161,879.40
  4. Step 4: Simplify right side
    164,503.80x = 39,944,664,662.58
  5. Step 5: Solve for x
    x = 39,944,664,662.58/164,503.80
  6. Step 6: Final answer
    x = 242,819.10

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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.