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Finding the Fourth Proportional to 171,112.87, 256,488.31 and 64,450.67

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Solution

The fourth proportional to 171,112.87, 256,488.31 and 64,450.67 is: 96,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,112.87 : 256,488.31 = 64,450.67 : x
  2. Step 2: Convert to fraction form
    171,112.87/256,488.31 = 64,450.67/x
  3. Step 3: Cross multiply
    171,112.87x = 256,488.31 × 64,450.67
  4. Step 4: Simplify right side
    171,112.87x = 16,530,843,104.41
  5. Step 5: Solve for x
    x = 16,530,843,104.41/171,112.87
  6. Step 6: Final answer
    x = 96,607.83

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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.