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Finding the Fourth Proportional to 195,747.20, 293,620.80 and 180,000.80

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Solution

The fourth proportional to 195,747.20, 293,620.80 and 180,000.80 is: 270,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,747.20 : 293,620.80 = 180,000.80 : x
  2. Step 2: Convert to fraction form
    195,747.20/293,620.80 = 180,000.80/x
  3. Step 3: Cross multiply
    195,747.20x = 293,620.80 × 180,000.80
  4. Step 4: Simplify right side
    195,747.20x = 52,851,978,896.64
  5. Step 5: Solve for x
    x = 52,851,978,896.64/195,747.20
  6. Step 6: Final answer
    x = 270,001.20

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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.