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Finding the Fourth Proportional to 168,279.69, 252,385.57 and 61,627.24

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Solution

The fourth proportional to 168,279.69, 252,385.57 and 61,627.24 is: 92,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,279.69 : 252,385.57 = 61,627.24 : x
  2. Step 2: Convert to fraction form
    168,279.69/252,385.57 = 61,627.24/x
  3. Step 3: Cross multiply
    168,279.69x = 252,385.57 × 61,627.24
  4. Step 4: Simplify right side
    168,279.69x = 15,553,826,094.93
  5. Step 5: Solve for x
    x = 15,553,826,094.93/168,279.69
  6. Step 6: Final answer
    x = 92,428.42

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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.