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Finding the Fourth Proportional to 269,612.34, 404,383.26 and 80,068.80

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Solution

The fourth proportional to 269,612.34, 404,383.26 and 80,068.80 is: 120,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,612.34 : 404,383.26 = 80,068.80 : x
  2. Step 2: Convert to fraction form
    269,612.34/404,383.26 = 80,068.80/x
  3. Step 3: Cross multiply
    269,612.34x = 404,383.26 × 80,068.80
  4. Step 4: Simplify right side
    269,612.34x = 32,378,482,368.29
  5. Step 5: Solve for x
    x = 32,378,482,368.29/269,612.34
  6. Step 6: Final answer
    x = 120,092.73

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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.