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Finding the Fourth Proportional to 87,197.73, 120,103.70 and 67,016.00

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Solution

The fourth proportional to 87,197.73, 120,103.70 and 67,016.00 is: 92,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,197.73 : 120,103.70 = 67,016.00 : x
  2. Step 2: Convert to fraction form
    87,197.73/120,103.70 = 67,016.00/x
  3. Step 3: Cross multiply
    87,197.73x = 120,103.70 × 67,016.00
  4. Step 4: Simplify right side
    87,197.73x = 8,048,868,623.60
  5. Step 5: Solve for x
    x = 8,048,868,623.60/87,197.73
  6. Step 6: Final answer
    x = 92,305.94

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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.