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Finding the Fourth Proportional to 168,773.72, 232,907.80 and 96,174.54

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Solution

The fourth proportional to 168,773.72, 232,907.80 and 96,174.54 is: 132,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,773.72 : 232,907.80 = 96,174.54 : x
  2. Step 2: Convert to fraction form
    168,773.72/232,907.80 = 96,174.54/x
  3. Step 3: Cross multiply
    168,773.72x = 232,907.80 × 96,174.54
  4. Step 4: Simplify right side
    168,773.72x = 22,399,800,527.41
  5. Step 5: Solve for x
    x = 22,399,800,527.41/168,773.72
  6. Step 6: Final answer
    x = 132,720.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.