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Finding the Fourth Proportional to 67,372.83, 92,974.64 and 37,157.31

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Solution

The fourth proportional to 67,372.83, 92,974.64 and 37,157.31 is: 51,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,372.83 : 92,974.64 = 37,157.31 : x
  2. Step 2: Convert to fraction form
    67,372.83/92,974.64 = 37,157.31/x
  3. Step 3: Cross multiply
    67,372.83x = 92,974.64 × 37,157.31
  4. Step 4: Simplify right side
    67,372.83x = 3,454,687,334.83
  5. Step 5: Solve for x
    x = 3,454,687,334.83/67,372.83
  6. Step 6: Final answer
    x = 51,277.16

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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.