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Finding the Fourth Proportional to 148,002.60, 222,101.10 and 84,822.60

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Solution

The fourth proportional to 148,002.60, 222,101.10 and 84,822.60 is: 127,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,002.60 : 222,101.10 = 84,822.60 : x
  2. Step 2: Convert to fraction form
    148,002.60/222,101.10 = 84,822.60/x
  3. Step 3: Cross multiply
    148,002.60x = 222,101.10 × 84,822.60
  4. Step 4: Simplify right side
    148,002.60x = 18,839,192,764.86
  5. Step 5: Solve for x
    x = 18,839,192,764.86/148,002.60
  6. Step 6: Final answer
    x = 127,289.61

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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.