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Finding the Fourth Proportional to 227,116.80, 340,675.20 and 187,027.20

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Solution

The fourth proportional to 227,116.80, 340,675.20 and 187,027.20 is: 280,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,116.80 : 340,675.20 = 187,027.20 : x
  2. Step 2: Convert to fraction form
    227,116.80/340,675.20 = 187,027.20/x
  3. Step 3: Cross multiply
    227,116.80x = 340,675.20 × 187,027.20
  4. Step 4: Simplify right side
    227,116.80x = 63,715,528,765.44
  5. Step 5: Solve for x
    x = 63,715,528,765.44/227,116.80
  6. Step 6: Final answer
    x = 280,540.80

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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.