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Finding the Fourth Proportional to 231,806.20, 347,450.10 and 132,014.20

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Solution

The fourth proportional to 231,806.20, 347,450.10 and 132,014.20 is: 197,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,806.20 : 347,450.10 = 132,014.20 : x
  2. Step 2: Convert to fraction form
    231,806.20/347,450.10 = 132,014.20/x
  3. Step 3: Cross multiply
    231,806.20x = 347,450.10 × 132,014.20
  4. Step 4: Simplify right side
    231,806.20x = 45,868,346,991.42
  5. Step 5: Solve for x
    x = 45,868,346,991.42/231,806.20
  6. Step 6: Final answer
    x = 197,873.68

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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.