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Finding the Fourth Proportional to 168,810.27, 252,786.89 and 101,299.86

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Solution

The fourth proportional to 168,810.27, 252,786.89 and 101,299.86 is: 151,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,810.27 : 252,786.89 = 101,299.86 : x
  2. Step 2: Convert to fraction form
    168,810.27/252,786.89 = 101,299.86/x
  3. Step 3: Cross multiply
    168,810.27x = 252,786.89 × 101,299.86
  4. Step 4: Simplify right side
    168,810.27x = 25,607,276,060.34
  5. Step 5: Solve for x
    x = 25,607,276,060.34/168,810.27
  6. Step 6: Final answer
    x = 151,692.64

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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.