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Finding the Fourth Proportional to 79,820.91, 119,750.13 and 27,230.58

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Solution

The fourth proportional to 79,820.91, 119,750.13 and 27,230.58 is: 40,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,820.91 : 119,750.13 = 27,230.58 : x
  2. Step 2: Convert to fraction form
    79,820.91/119,750.13 = 27,230.58/x
  3. Step 3: Cross multiply
    79,820.91x = 119,750.13 × 27,230.58
  4. Step 4: Simplify right side
    79,820.91x = 3,260,865,494.98
  5. Step 5: Solve for x
    x = 3,260,865,494.98/79,820.91
  6. Step 6: Final answer
    x = 40,852.27

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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.