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Finding the Fourth Proportional to 234,247.96, 351,245.56 and 121,650.40

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Solution

The fourth proportional to 234,247.96, 351,245.56 and 121,650.40 is: 182,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,247.96 : 351,245.56 = 121,650.40 : x
  2. Step 2: Convert to fraction form
    234,247.96/351,245.56 = 121,650.40/x
  3. Step 3: Cross multiply
    234,247.96x = 351,245.56 × 121,650.40
  4. Step 4: Simplify right side
    234,247.96x = 42,729,162,872.22
  5. Step 5: Solve for x
    x = 42,729,162,872.22/234,247.96
  6. Step 6: Final answer
    x = 182,409.97

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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.