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Finding the Fourth Proportional to 159,370.92, 219,932.52 and 95,709.78

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Solution

The fourth proportional to 159,370.92, 219,932.52 and 95,709.78 is: 132,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,370.92 : 219,932.52 = 95,709.78 : x
  2. Step 2: Convert to fraction form
    159,370.92/219,932.52 = 95,709.78/x
  3. Step 3: Cross multiply
    159,370.92x = 219,932.52 × 95,709.78
  4. Step 4: Simplify right side
    159,370.92x = 21,049,693,104.05
  5. Step 5: Solve for x
    x = 21,049,693,104.05/159,370.92
  6. Step 6: Final answer
    x = 132,079.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.