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Finding the Fourth Proportional to 168,578.69, 252,992.48 and 79,832.06

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Solution

The fourth proportional to 168,578.69, 252,992.48 and 79,832.06 is: 119,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,578.69 : 252,992.48 = 79,832.06 : x
  2. Step 2: Convert to fraction form
    168,578.69/252,992.48 = 79,832.06/x
  3. Step 3: Cross multiply
    168,578.69x = 252,992.48 × 79,832.06
  4. Step 4: Simplify right side
    168,578.69x = 20,196,909,178.79
  5. Step 5: Solve for x
    x = 20,196,909,178.79/168,578.69
  6. Step 6: Final answer
    x = 119,807.01

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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.