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Finding the Fourth Proportional to 224,447.82, 336,795.66 and 91,421.73

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Solution

The fourth proportional to 224,447.82, 336,795.66 and 91,421.73 is: 137,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,447.82 : 336,795.66 = 91,421.73 : x
  2. Step 2: Convert to fraction form
    224,447.82/336,795.66 = 91,421.73/x
  3. Step 3: Cross multiply
    224,447.82x = 336,795.66 × 91,421.73
  4. Step 4: Simplify right side
    224,447.82x = 30,790,441,893.69
  5. Step 5: Solve for x
    x = 30,790,441,893.69/224,447.82
  6. Step 6: Final answer
    x = 137,183.07

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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.