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Finding the Fourth Proportional to 148,506.80, 222,760.20 and 53,736.80

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Solution

The fourth proportional to 148,506.80, 222,760.20 and 53,736.80 is: 80,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,506.80 : 222,760.20 = 53,736.80 : x
  2. Step 2: Convert to fraction form
    148,506.80/222,760.20 = 53,736.80/x
  3. Step 3: Cross multiply
    148,506.80x = 222,760.20 × 53,736.80
  4. Step 4: Simplify right side
    148,506.80x = 11,970,420,315.36
  5. Step 5: Solve for x
    x = 11,970,420,315.36/148,506.80
  6. Step 6: Final answer
    x = 80,605.20

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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.