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Finding the Fourth Proportional to 168,544.58, 252,890.63 and 79,861.38

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Solution

The fourth proportional to 168,544.58, 252,890.63 and 79,861.38 is: 119,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,544.58 : 252,890.63 = 79,861.38 : x
  2. Step 2: Convert to fraction form
    168,544.58/252,890.63 = 79,861.38/x
  3. Step 3: Cross multiply
    168,544.58x = 252,890.63 × 79,861.38
  4. Step 4: Simplify right side
    168,544.58x = 20,196,194,700.87
  5. Step 5: Solve for x
    x = 20,196,194,700.87/168,544.58
  6. Step 6: Final answer
    x = 119,827.02

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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.