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Finding the Fourth Proportional to 148,262.40, 222,350.40 and 53,481.60

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Solution

The fourth proportional to 148,262.40, 222,350.40 and 53,481.60 is: 80,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,262.40 : 222,350.40 = 53,481.60 : x
  2. Step 2: Convert to fraction form
    148,262.40/222,350.40 = 53,481.60/x
  3. Step 3: Cross multiply
    148,262.40x = 222,350.40 × 53,481.60
  4. Step 4: Simplify right side
    148,262.40x = 11,891,655,152.64
  5. Step 5: Solve for x
    x = 11,891,655,152.64/148,262.40
  6. Step 6: Final answer
    x = 80,206.82

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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.