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Finding the Fourth Proportional to 167,404.44, 251,042.38 and 71,280.74

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Solution

The fourth proportional to 167,404.44, 251,042.38 and 71,280.74 is: 106,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,404.44 : 251,042.38 = 71,280.74 : x
  2. Step 2: Convert to fraction form
    167,404.44/251,042.38 = 71,280.74/x
  3. Step 3: Cross multiply
    167,404.44x = 251,042.38 × 71,280.74
  4. Step 4: Simplify right side
    167,404.44x = 17,894,486,617.76
  5. Step 5: Solve for x
    x = 17,894,486,617.76/167,404.44
  6. Step 6: Final answer
    x = 106,893.74

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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.