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Finding the Fourth Proportional to 355,560.64, 533,229.78 and 118,847.97

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Solution

The fourth proportional to 355,560.64, 533,229.78 and 118,847.97 is: 178,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,560.64 : 533,229.78 = 118,847.97 : x
  2. Step 2: Convert to fraction form
    355,560.64/533,229.78 = 118,847.97/x
  3. Step 3: Cross multiply
    355,560.64x = 533,229.78 × 118,847.97
  4. Step 4: Simplify right side
    355,560.64x = 63,373,276,896.55
  5. Step 5: Solve for x
    x = 63,373,276,896.55/355,560.64
  6. Step 6: Final answer
    x = 178,234.79

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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.