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Finding the Fourth Proportional to 169,747.92, 254,649.42 and 57,435.03

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Solution

The fourth proportional to 169,747.92, 254,649.42 and 57,435.03 is: 86,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,747.92 : 254,649.42 = 57,435.03 : x
  2. Step 2: Convert to fraction form
    169,747.92/254,649.42 = 57,435.03/x
  3. Step 3: Cross multiply
    169,747.92x = 254,649.42 × 57,435.03
  4. Step 4: Simplify right side
    169,747.92x = 14,625,797,077.18
  5. Step 5: Solve for x
    x = 14,625,797,077.18/169,747.92
  6. Step 6: Final answer
    x = 86,161.86

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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.