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Finding the Fourth Proportional to 224,290.99, 336,469.90 and 80,185.91

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Solution

The fourth proportional to 224,290.99, 336,469.90 and 80,185.91 is: 120,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,290.99 : 336,469.90 = 80,185.91 : x
  2. Step 2: Convert to fraction form
    224,290.99/336,469.90 = 80,185.91/x
  3. Step 3: Cross multiply
    224,290.99x = 336,469.90 × 80,185.91
  4. Step 4: Simplify right side
    224,290.99x = 26,980,145,759.82
  5. Step 5: Solve for x
    x = 26,980,145,759.82/224,290.99
  6. Step 6: Final answer
    x = 120,290.82

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1.5x scale

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.