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Finding the Fourth Proportional to 167,881.70, 251,832.41 and 47,929.43

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Solution

The fourth proportional to 167,881.70, 251,832.41 and 47,929.43 is: 71,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,881.70 : 251,832.41 = 47,929.43 : x
  2. Step 2: Convert to fraction form
    167,881.70/251,832.41 = 47,929.43/x
  3. Step 3: Cross multiply
    167,881.70x = 251,832.41 × 47,929.43
  4. Step 4: Simplify right side
    167,881.70x = 12,070,182,727.49
  5. Step 5: Solve for x
    x = 12,070,182,727.49/167,881.70
  6. Step 6: Final answer
    x = 71,896.96

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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.