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Finding the Fourth Proportional to 165,682.80, 248,524.20 and 53,362.80

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Solution

The fourth proportional to 165,682.80, 248,524.20 and 53,362.80 is: 80,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,682.80 : 248,524.20 = 53,362.80 : x
  2. Step 2: Convert to fraction form
    165,682.80/248,524.20 = 53,362.80/x
  3. Step 3: Cross multiply
    165,682.80x = 248,524.20 × 53,362.80
  4. Step 4: Simplify right side
    165,682.80x = 13,261,947,179.76
  5. Step 5: Solve for x
    x = 13,261,947,179.76/165,682.80
  6. Step 6: Final answer
    x = 80,044.20

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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.