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Finding the Fourth Proportional to 166,838.59, 250,257.81 and 66,998.77

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Solution

The fourth proportional to 166,838.59, 250,257.81 and 66,998.77 is: 100,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,838.59 : 250,257.81 = 66,998.77 : x
  2. Step 2: Convert to fraction form
    166,838.59/250,257.81 = 66,998.77/x
  3. Step 3: Cross multiply
    166,838.59x = 250,257.81 × 66,998.77
  4. Step 4: Simplify right side
    166,838.59x = 16,766,965,452.89
  5. Step 5: Solve for x
    x = 16,766,965,452.89/166,838.59
  6. Step 6: Final answer
    x = 100,498.12

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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.