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Finding the Fourth Proportional to 118,092.82, 162,971.13 and 67,801.54

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Solution

The fourth proportional to 118,092.82, 162,971.13 and 67,801.54 is: 93,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,092.82 : 162,971.13 = 67,801.54 : x
  2. Step 2: Convert to fraction form
    118,092.82/162,971.13 = 67,801.54/x
  3. Step 3: Cross multiply
    118,092.82x = 162,971.13 × 67,801.54
  4. Step 4: Simplify right side
    118,092.82x = 11,049,693,589.54
  5. Step 5: Solve for x
    x = 11,049,693,589.54/118,092.82
  6. Step 6: Final answer
    x = 93,567.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.