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Finding the Fourth Proportional to 226,010.67, 338,884.74 and 85,692.75

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Solution

The fourth proportional to 226,010.67, 338,884.74 and 85,692.75 is: 128,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,010.67 : 338,884.74 = 85,692.75 : x
  2. Step 2: Convert to fraction form
    226,010.67/338,884.74 = 85,692.75/x
  3. Step 3: Cross multiply
    226,010.67x = 338,884.74 × 85,692.75
  4. Step 4: Simplify right side
    226,010.67x = 29,039,965,303.64
  5. Step 5: Solve for x
    x = 29,039,965,303.64/226,010.67
  6. Step 6: Final answer
    x = 128,489.36

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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.