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Finding the Fourth Proportional to 148,204.40, 222,155.40 and 73,209.20

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Solution

The fourth proportional to 148,204.40, 222,155.40 and 73,209.20 is: 109,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,204.40 : 222,155.40 = 73,209.20 : x
  2. Step 2: Convert to fraction form
    148,204.40/222,155.40 = 73,209.20/x
  3. Step 3: Cross multiply
    148,204.40x = 222,155.40 × 73,209.20
  4. Step 4: Simplify right side
    148,204.40x = 16,263,819,109.68
  5. Step 5: Solve for x
    x = 16,263,819,109.68/148,204.40
  6. Step 6: Final answer
    x = 109,739.11

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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.