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Finding the Fourth Proportional to 167,891.78, 251,865.03 and 49,575.08

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Solution

The fourth proportional to 167,891.78, 251,865.03 and 49,575.08 is: 74,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,891.78 : 251,865.03 = 49,575.08 : x
  2. Step 2: Convert to fraction form
    167,891.78/251,865.03 = 49,575.08/x
  3. Step 3: Cross multiply
    167,891.78x = 251,865.03 × 49,575.08
  4. Step 4: Simplify right side
    167,891.78x = 12,486,229,011.45
  5. Step 5: Solve for x
    x = 12,486,229,011.45/167,891.78
  6. Step 6: Final answer
    x = 74,370.70

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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.