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Finding the Fourth Proportional to 169,717.20, 254,575.80 and 166,801.20

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Solution

The fourth proportional to 169,717.20, 254,575.80 and 166,801.20 is: 250,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,717.20 : 254,575.80 = 166,801.20 : x
  2. Step 2: Convert to fraction form
    169,717.20/254,575.80 = 166,801.20/x
  3. Step 3: Cross multiply
    169,717.20x = 254,575.80 × 166,801.20
  4. Step 4: Simplify right side
    169,717.20x = 42,463,548,930.96
  5. Step 5: Solve for x
    x = 42,463,548,930.96/169,717.20
  6. Step 6: Final answer
    x = 250,201.80

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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.