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Finding the Fourth Proportional to 220,855.93, 331,005.96 and 119,650.07

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Solution

The fourth proportional to 220,855.93, 331,005.96 and 119,650.07 is: 179,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,855.93 : 331,005.96 = 119,650.07 : x
  2. Step 2: Convert to fraction form
    220,855.93/331,005.96 = 119,650.07/x
  3. Step 3: Cross multiply
    220,855.93x = 331,005.96 × 119,650.07
  4. Step 4: Simplify right side
    220,855.93x = 39,604,887,111.93
  5. Step 5: Solve for x
    x = 39,604,887,111.93/220,855.93
  6. Step 6: Final answer
    x = 179,324.54

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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.