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Finding the Fourth Proportional to 67,371.67, 92,971.42 and 37,157.79

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Solution

The fourth proportional to 67,371.67, 92,971.42 and 37,157.79 is: 51,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,371.67 : 92,971.42 = 37,157.79 : x
  2. Step 2: Convert to fraction form
    67,371.67/92,971.42 = 37,157.79/x
  3. Step 3: Cross multiply
    67,371.67x = 92,971.42 × 37,157.79
  4. Step 4: Simplify right side
    67,371.67x = 3,454,612,500.36
  5. Step 5: Solve for x
    x = 3,454,612,500.36/67,371.67
  6. Step 6: Final answer
    x = 51,276.93

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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.