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Finding the Fourth Proportional to 148,298.40, 222,404.40 and 53,517.60

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Solution

The fourth proportional to 148,298.40, 222,404.40 and 53,517.60 is: 80,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,298.40 : 222,404.40 = 53,517.60 : x
  2. Step 2: Convert to fraction form
    148,298.40/222,404.40 = 53,517.60/x
  3. Step 3: Cross multiply
    148,298.40x = 222,404.40 × 53,517.60
  4. Step 4: Simplify right side
    148,298.40x = 11,902,549,717.44
  5. Step 5: Solve for x
    x = 11,902,549,717.44/148,298.40
  6. Step 6: Final answer
    x = 80,260.81

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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.