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Finding the Fourth Proportional to 168,592.26, 253,013.12 and 79,845.93

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Solution

The fourth proportional to 168,592.26, 253,013.12 and 79,845.93 is: 119,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,592.26 : 253,013.12 = 79,845.93 : x
  2. Step 2: Convert to fraction form
    168,592.26/253,013.12 = 79,845.93/x
  3. Step 3: Cross multiply
    168,592.26x = 253,013.12 × 79,845.93
  4. Step 4: Simplify right side
    168,592.26x = 20,202,067,057.19
  5. Step 5: Solve for x
    x = 20,202,067,057.19/168,592.26
  6. Step 6: Final answer
    x = 119,827.96

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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.