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Finding the Fourth Proportional to 178,027.91, 266,857.26 and 111,314.88

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Solution

The fourth proportional to 178,027.91, 266,857.26 and 111,314.88 is: 166,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,027.91 : 266,857.26 = 111,314.88 : x
  2. Step 2: Convert to fraction form
    178,027.91/266,857.26 = 111,314.88/x
  3. Step 3: Cross multiply
    178,027.91x = 266,857.26 × 111,314.88
  4. Step 4: Simplify right side
    178,027.91x = 29,705,183,874.03
  5. Step 5: Solve for x
    x = 29,705,183,874.03/178,027.91
  6. Step 6: Final answer
    x = 166,856.90

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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.