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Finding the Fourth Proportional to 67,228.88, 92,771.88 and 38,542.41

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Solution

The fourth proportional to 67,228.88, 92,771.88 and 38,542.41 is: 53,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,228.88 : 92,771.88 = 38,542.41 : x
  2. Step 2: Convert to fraction form
    67,228.88/92,771.88 = 38,542.41/x
  3. Step 3: Cross multiply
    67,228.88x = 92,771.88 × 38,542.41
  4. Step 4: Simplify right side
    67,228.88x = 3,575,651,835.43
  5. Step 5: Solve for x
    x = 3,575,651,835.43/67,228.88
  6. Step 6: Final answer
    x = 53,186.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.