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Finding the Fourth Proportional to 166,863.70, 250,322.84 and 54,511.30

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Solution

The fourth proportional to 166,863.70, 250,322.84 and 54,511.30 is: 81,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,863.70 : 250,322.84 = 54,511.30 : x
  2. Step 2: Convert to fraction form
    166,863.70/250,322.84 = 54,511.30/x
  3. Step 3: Cross multiply
    166,863.70x = 250,322.84 × 54,511.30
  4. Step 4: Simplify right side
    166,863.70x = 13,645,423,428.09
  5. Step 5: Solve for x
    x = 13,645,423,428.09/166,863.70
  6. Step 6: Final answer
    x = 81,775.87

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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.