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Finding the Fourth Proportional to 176,553.26, 264,475.30 and 81,650.42

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Solution

The fourth proportional to 176,553.26, 264,475.30 and 81,650.42 is: 122,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,553.26 : 264,475.30 = 81,650.42 : x
  2. Step 2: Convert to fraction form
    176,553.26/264,475.30 = 81,650.42/x
  3. Step 3: Cross multiply
    176,553.26x = 264,475.30 × 81,650.42
  4. Step 4: Simplify right side
    176,553.26x = 21,594,519,324.63
  5. Step 5: Solve for x
    x = 21,594,519,324.63/176,553.26
  6. Step 6: Final answer
    x = 122,311.64

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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.