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Finding the Fourth Proportional to 111,314.56, 166,997.04 and 63,951.52

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Solution

The fourth proportional to 111,314.56, 166,997.04 and 63,951.52 is: 95,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,314.56 : 166,997.04 = 63,951.52 : x
  2. Step 2: Convert to fraction form
    111,314.56/166,997.04 = 63,951.52/x
  3. Step 3: Cross multiply
    111,314.56x = 166,997.04 × 63,951.52
  4. Step 4: Simplify right side
    111,314.56x = 10,679,714,543.50
  5. Step 5: Solve for x
    x = 10,679,714,543.50/111,314.56
  6. Step 6: Final answer
    x = 95,941.76

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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.