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Finding the Fourth Proportional to 148,202.40, 222,152.40 and 73,207.20

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Solution

The fourth proportional to 148,202.40, 222,152.40 and 73,207.20 is: 109,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,202.40 : 222,152.40 = 73,207.20 : x
  2. Step 2: Convert to fraction form
    148,202.40/222,152.40 = 73,207.20/x
  3. Step 3: Cross multiply
    148,202.40x = 222,152.40 × 73,207.20
  4. Step 4: Simplify right side
    148,202.40x = 16,263,155,177.28
  5. Step 5: Solve for x
    x = 16,263,155,177.28/148,202.40
  6. Step 6: Final answer
    x = 109,736.11

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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.