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Finding the Fourth Proportional to 220,556.26, 330,692.16 and 94,278.88

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Solution

The fourth proportional to 220,556.26, 330,692.16 and 94,278.88 is: 141,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,556.26 : 330,692.16 = 94,278.88 : x
  2. Step 2: Convert to fraction form
    220,556.26/330,692.16 = 94,278.88/x
  3. Step 3: Cross multiply
    220,556.26x = 330,692.16 × 94,278.88
  4. Step 4: Simplify right side
    220,556.26x = 31,177,286,469.58
  5. Step 5: Solve for x
    x = 31,177,286,469.58/220,556.26
  6. Step 6: Final answer
    x = 141,357.52

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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.