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Finding the Fourth Proportional to 67,342, 92,932.58 and 37,128.38

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Solution

The fourth proportional to 67,342, 92,932.58 and 37,128.38 is: 51,237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,342 : 92,932.58 = 37,128.38 : x
  2. Step 2: Convert to fraction form
    67,342/92,932.58 = 37,128.38/x
  3. Step 3: Cross multiply
    67,342x = 92,932.58 × 37,128.38
  4. Step 4: Simplify right side
    67,342x = 3,450,436,144.62
  5. Step 5: Solve for x
    x = 3,450,436,144.62/67,342
  6. Step 6: Final answer
    x = 51,237.51

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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.