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Finding the Fourth Proportional to 67,169.54, 92,694.73 and 38,488.63

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Solution

The fourth proportional to 67,169.54, 92,694.73 and 38,488.63 is: 53,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,169.54 : 92,694.73 = 38,488.63 : x
  2. Step 2: Convert to fraction form
    67,169.54/92,694.73 = 38,488.63/x
  3. Step 3: Cross multiply
    67,169.54x = 92,694.73 × 38,488.63
  4. Step 4: Simplify right side
    67,169.54x = 3,567,692,702.45
  5. Step 5: Solve for x
    x = 3,567,692,702.45/67,169.54
  6. Step 6: Final answer
    x = 53,114.74

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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.