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Finding the Fourth Proportional to 148,528.80, 222,694.80 and 82,000.80

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Solution

The fourth proportional to 148,528.80, 222,694.80 and 82,000.80 is: 122,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,528.80 : 222,694.80 = 82,000.80 : x
  2. Step 2: Convert to fraction form
    148,528.80/222,694.80 = 82,000.80/x
  3. Step 3: Cross multiply
    148,528.80x = 222,694.80 × 82,000.80
  4. Step 4: Simplify right side
    148,528.80x = 18,261,151,755.84
  5. Step 5: Solve for x
    x = 18,261,151,755.84/148,528.80
  6. Step 6: Final answer
    x = 122,946.87

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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.