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Finding the Fourth Proportional to 169,299.72, 254,003.22 and 101,905.56

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Solution

The fourth proportional to 169,299.72, 254,003.22 and 101,905.56 is: 152,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,299.72 : 254,003.22 = 101,905.56 : x
  2. Step 2: Convert to fraction form
    169,299.72/254,003.22 = 101,905.56/x
  3. Step 3: Cross multiply
    169,299.72x = 254,003.22 × 101,905.56
  4. Step 4: Simplify right side
    169,299.72x = 25,884,340,375.90
  5. Step 5: Solve for x
    x = 25,884,340,375.90/169,299.72
  6. Step 6: Final answer
    x = 152,890.63

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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.