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Finding the Fourth Proportional to 230,176.56, 344,906.72 and 87,944.28

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Solution

The fourth proportional to 230,176.56, 344,906.72 and 87,944.28 is: 131,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,176.56 : 344,906.72 = 87,944.28 : x
  2. Step 2: Convert to fraction form
    230,176.56/344,906.72 = 87,944.28/x
  3. Step 3: Cross multiply
    230,176.56x = 344,906.72 × 87,944.28
  4. Step 4: Simplify right side
    230,176.56x = 30,332,573,157.56
  5. Step 5: Solve for x
    x = 30,332,573,157.56/230,176.56
  6. Step 6: Final answer
    x = 131,779.59

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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.