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Finding the Fourth Proportional to 172,794.96, 259,023.96 and 84,044.88

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Solution

The fourth proportional to 172,794.96, 259,023.96 and 84,044.88 is: 125,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,794.96 : 259,023.96 = 84,044.88 : x
  2. Step 2: Convert to fraction form
    172,794.96/259,023.96 = 84,044.88/x
  3. Step 3: Cross multiply
    172,794.96x = 259,023.96 × 84,044.88
  4. Step 4: Simplify right side
    172,794.96x = 21,769,637,635.32
  5. Step 5: Solve for x
    x = 21,769,637,635.32/172,794.96
  6. Step 6: Final answer
    x = 125,985.37

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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.