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Finding the Fourth Proportional to 224,115.15, 336,205.82 and 80,009.80

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Solution

The fourth proportional to 224,115.15, 336,205.82 and 80,009.80 is: 120,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,115.15 : 336,205.82 = 80,009.80 : x
  2. Step 2: Convert to fraction form
    224,115.15/336,205.82 = 80,009.80/x
  3. Step 3: Cross multiply
    224,115.15x = 336,205.82 × 80,009.80
  4. Step 4: Simplify right side
    224,115.15x = 26,899,761,217.65
  5. Step 5: Solve for x
    x = 26,899,761,217.65/224,115.15
  6. Step 6: Final answer
    x = 120,026.52

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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.