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Finding the Fourth Proportional to 187,891.80, 281,520.72 and 92,995.44

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Solution

The fourth proportional to 187,891.80, 281,520.72 and 92,995.44 is: 139,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,891.80 : 281,520.72 = 92,995.44 : x
  2. Step 2: Convert to fraction form
    187,891.80/281,520.72 = 92,995.44/x
  3. Step 3: Cross multiply
    187,891.80x = 281,520.72 × 92,995.44
  4. Step 4: Simplify right side
    187,891.80x = 26,180,143,225.52
  5. Step 5: Solve for x
    x = 26,180,143,225.52/187,891.80
  6. Step 6: Final answer
    x = 139,336.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.