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Finding the Fourth Proportional to 202,086.80, 302,611.80 and 192,755.60

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Solution

The fourth proportional to 202,086.80, 302,611.80 and 192,755.60 is: 288,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,086.80 : 302,611.80 = 192,755.60 : x
  2. Step 2: Convert to fraction form
    202,086.80/302,611.80 = 192,755.60/x
  3. Step 3: Cross multiply
    202,086.80x = 302,611.80 × 192,755.60
  4. Step 4: Simplify right side
    202,086.80x = 58,330,119,076.08
  5. Step 5: Solve for x
    x = 58,330,119,076.08/202,086.80
  6. Step 6: Final answer
    x = 288,638.94

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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.