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Finding the Fourth Proportional to 168,556.80, 252,835.20 and 43,897.80

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Solution

The fourth proportional to 168,556.80, 252,835.20 and 43,897.80 is: 65,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,556.80 : 252,835.20 = 43,897.80 : x
  2. Step 2: Convert to fraction form
    168,556.80/252,835.20 = 43,897.80/x
  3. Step 3: Cross multiply
    168,556.80x = 252,835.20 × 43,897.80
  4. Step 4: Simplify right side
    168,556.80x = 11,098,909,042.56
  5. Step 5: Solve for x
    x = 11,098,909,042.56/168,556.80
  6. Step 6: Final answer
    x = 65,846.70

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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.