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Finding the Fourth Proportional to 148,496.40, 222,744.60 and 133,462.80

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Solution

The fourth proportional to 148,496.40, 222,744.60 and 133,462.80 is: 200,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,496.40 : 222,744.60 = 133,462.80 : x
  2. Step 2: Convert to fraction form
    148,496.40/222,744.60 = 133,462.80/x
  3. Step 3: Cross multiply
    148,496.40x = 222,744.60 × 133,462.80
  4. Step 4: Simplify right side
    148,496.40x = 29,728,118,000.88
  5. Step 5: Solve for x
    x = 29,728,118,000.88/148,496.40
  6. Step 6: Final answer
    x = 200,194.20

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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.