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Finding the Fourth Proportional to 148,003.60, 222,102.60 and 84,823.60

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Solution

The fourth proportional to 148,003.60, 222,102.60 and 84,823.60 is: 127,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,003.60 : 222,102.60 = 84,823.60 : x
  2. Step 2: Convert to fraction form
    148,003.60/222,102.60 = 84,823.60/x
  3. Step 3: Cross multiply
    148,003.60x = 222,102.60 × 84,823.60
  4. Step 4: Simplify right side
    148,003.60x = 18,839,542,101.36
  5. Step 5: Solve for x
    x = 18,839,542,101.36/148,003.60
  6. Step 6: Final answer
    x = 127,291.11

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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.