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Finding the Fourth Proportional to 67,347.48, 92,940.18 and 37,133.88

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Solution

The fourth proportional to 67,347.48, 92,940.18 and 37,133.88 is: 51,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,347.48 : 92,940.18 = 37,133.88 : x
  2. Step 2: Convert to fraction form
    67,347.48/92,940.18 = 37,133.88/x
  3. Step 3: Cross multiply
    67,347.48x = 92,940.18 × 37,133.88
  4. Step 4: Simplify right side
    67,347.48x = 3,451,229,491.30
  5. Step 5: Solve for x
    x = 3,451,229,491.30/67,347.48
  6. Step 6: Final answer
    x = 51,245.12

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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.