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Finding the Fourth Proportional to 67,171.92, 92,650.08 and 58,203.48

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Solution

The fourth proportional to 67,171.92, 92,650.08 and 58,203.48 is: 80,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,171.92 : 92,650.08 = 58,203.48 : x
  2. Step 2: Convert to fraction form
    67,171.92/92,650.08 = 58,203.48/x
  3. Step 3: Cross multiply
    67,171.92x = 92,650.08 × 58,203.48
  4. Step 4: Simplify right side
    67,171.92x = 5,392,557,078.28
  5. Step 5: Solve for x
    x = 5,392,557,078.28/67,171.92
  6. Step 6: Final answer
    x = 80,279.93

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1.5x scale

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.