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Finding the Fourth Proportional to 166,801.20, 250,234.20 and 72,031.20

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Solution

The fourth proportional to 166,801.20, 250,234.20 and 72,031.20 is: 108,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,801.20 : 250,234.20 = 72,031.20 : x
  2. Step 2: Convert to fraction form
    166,801.20/250,234.20 = 72,031.20/x
  3. Step 3: Cross multiply
    166,801.20x = 250,234.20 × 72,031.20
  4. Step 4: Simplify right side
    166,801.20x = 18,024,669,707.04
  5. Step 5: Solve for x
    x = 18,024,669,707.04/166,801.20
  6. Step 6: Final answer
    x = 108,060.79

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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.