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Finding the Fourth Proportional to 321,377.08, 481,910.10 and 110,941.24

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Solution

The fourth proportional to 321,377.08, 481,910.10 and 110,941.24 is: 166,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,377.08 : 481,910.10 = 110,941.24 : x
  2. Step 2: Convert to fraction form
    321,377.08/481,910.10 = 110,941.24/x
  3. Step 3: Cross multiply
    321,377.08x = 481,910.10 × 110,941.24
  4. Step 4: Simplify right side
    321,377.08x = 53,463,704,062.52
  5. Step 5: Solve for x
    x = 53,463,704,062.52/321,377.08
  6. Step 6: Final answer
    x = 166,358.17

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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.