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Finding the Fourth Proportional to 164,620.20, 246,930.30 and 53,823.40

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Solution

The fourth proportional to 164,620.20, 246,930.30 and 53,823.40 is: 80,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,620.20 : 246,930.30 = 53,823.40 : x
  2. Step 2: Convert to fraction form
    164,620.20/246,930.30 = 53,823.40/x
  3. Step 3: Cross multiply
    164,620.20x = 246,930.30 × 53,823.40
  4. Step 4: Simplify right side
    164,620.20x = 13,290,628,309.02
  5. Step 5: Solve for x
    x = 13,290,628,309.02/164,620.20
  6. Step 6: Final answer
    x = 80,735.10

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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.