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Finding the Fourth Proportional to 79,914.29, 110,323.17 and 58,379.85

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Solution

The fourth proportional to 79,914.29, 110,323.17 and 58,379.85 is: 80,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,914.29 : 110,323.17 = 58,379.85 : x
  2. Step 2: Convert to fraction form
    79,914.29/110,323.17 = 58,379.85/x
  3. Step 3: Cross multiply
    79,914.29x = 110,323.17 × 58,379.85
  4. Step 4: Simplify right side
    79,914.29x = 6,440,650,116.12
  5. Step 5: Solve for x
    x = 6,440,650,116.12/79,914.29
  6. Step 6: Final answer
    x = 80,594.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.