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Finding the Fourth Proportional to 67,104, 92,609.28 and 37,301.76

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Solution

The fourth proportional to 67,104, 92,609.28 and 37,301.76 is: 51,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,104 : 92,609.28 = 37,301.76 : x
  2. Step 2: Convert to fraction form
    67,104/92,609.28 = 37,301.76/x
  3. Step 3: Cross multiply
    67,104x = 92,609.28 × 37,301.76
  4. Step 4: Simplify right side
    67,104x = 3,454,489,136.33
  5. Step 5: Solve for x
    x = 3,454,489,136.33/67,104
  6. Step 6: Final answer
    x = 51,479.63

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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.