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Finding the Fourth Proportional to 167,049.60, 251,092.80 and 163,939.20

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Solution

The fourth proportional to 167,049.60, 251,092.80 and 163,939.20 is: 246,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,049.60 : 251,092.80 = 163,939.20 : x
  2. Step 2: Convert to fraction form
    167,049.60/251,092.80 = 163,939.20/x
  3. Step 3: Cross multiply
    167,049.60x = 251,092.80 × 163,939.20
  4. Step 4: Simplify right side
    167,049.60x = 41,163,952,757.76
  5. Step 5: Solve for x
    x = 41,163,952,757.76/167,049.60
  6. Step 6: Final answer
    x = 246,417.55

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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.