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Finding the Fourth Proportional to 166,711.80, 250,650.90 and 163,212.60

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Solution

The fourth proportional to 166,711.80, 250,650.90 and 163,212.60 is: 245,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,711.80 : 250,650.90 = 163,212.60 : x
  2. Step 2: Convert to fraction form
    166,711.80/250,650.90 = 163,212.60/x
  3. Step 3: Cross multiply
    166,711.80x = 250,650.90 × 163,212.60
  4. Step 4: Simplify right side
    166,711.80x = 40,909,385,081.34
  5. Step 5: Solve for x
    x = 40,909,385,081.34/166,711.80
  6. Step 6: Final answer
    x = 245,389.86

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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.