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Finding the Fourth Proportional to 168,505.92, 252,633.92 and 79,655.58

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Solution

The fourth proportional to 168,505.92, 252,633.92 and 79,655.58 is: 119,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,505.92 : 252,633.92 = 79,655.58 : x
  2. Step 2: Convert to fraction form
    168,505.92/252,633.92 = 79,655.58/x
  3. Step 3: Cross multiply
    168,505.92x = 252,633.92 × 79,655.58
  4. Step 4: Simplify right side
    168,505.92x = 20,123,701,425.27
  5. Step 5: Solve for x
    x = 20,123,701,425.27/168,505.92
  6. Step 6: Final answer
    x = 119,424.30

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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.