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Finding the Fourth Proportional to 167,918.80, 251,819.40 and 49,558.80

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Solution

The fourth proportional to 167,918.80, 251,819.40 and 49,558.80 is: 74,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,918.80 : 251,819.40 = 49,558.80 : x
  2. Step 2: Convert to fraction form
    167,918.80/251,819.40 = 49,558.80/x
  3. Step 3: Cross multiply
    167,918.80x = 251,819.40 × 49,558.80
  4. Step 4: Simplify right side
    167,918.80x = 12,479,867,280.72
  5. Step 5: Solve for x
    x = 12,479,867,280.72/167,918.80
  6. Step 6: Final answer
    x = 74,320.85

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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.