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Finding the Fourth Proportional to 269,840.20, 404,808.90 and 112,084.60

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Solution

The fourth proportional to 269,840.20, 404,808.90 and 112,084.60 is: 168,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,840.20 : 404,808.90 = 112,084.60 : x
  2. Step 2: Convert to fraction form
    269,840.20/404,808.90 = 112,084.60/x
  3. Step 3: Cross multiply
    269,840.20x = 404,808.90 × 112,084.60
  4. Step 4: Simplify right side
    269,840.20x = 45,372,843,632.94
  5. Step 5: Solve for x
    x = 45,372,843,632.94/269,840.20
  6. Step 6: Final answer
    x = 168,147.09

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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.