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Finding the Fourth Proportional to 224,488.56, 336,788.32 and 66,716.80

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Solution

The fourth proportional to 224,488.56, 336,788.32 and 66,716.80 is: 100,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,488.56 : 336,788.32 = 66,716.80 : x
  2. Step 2: Convert to fraction form
    224,488.56/336,788.32 = 66,716.80/x
  3. Step 3: Cross multiply
    224,488.56x = 336,788.32 × 66,716.80
  4. Step 4: Simplify right side
    224,488.56x = 22,469,438,987.78
  5. Step 5: Solve for x
    x = 22,469,438,987.78/224,488.56
  6. Step 6: Final answer
    x = 100,091.69

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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.