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Finding the Fourth Proportional to 169,745.22, 254,136.69 and 141,051.78

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Solution

The fourth proportional to 169,745.22, 254,136.69 and 141,051.78 is: 211,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,745.22 : 254,136.69 = 141,051.78 : x
  2. Step 2: Convert to fraction form
    169,745.22/254,136.69 = 141,051.78/x
  3. Step 3: Cross multiply
    169,745.22x = 254,136.69 × 141,051.78
  4. Step 4: Simplify right side
    169,745.22x = 35,846,432,487.81
  5. Step 5: Solve for x
    x = 35,846,432,487.81/169,745.22
  6. Step 6: Final answer
    x = 211,177.86

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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.