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Finding the Fourth Proportional to 148,438.49, 222,654.49 and 36,119.44

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Solution

The fourth proportional to 148,438.49, 222,654.49 and 36,119.44 is: 54,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,438.49 : 222,654.49 = 36,119.44 : x
  2. Step 2: Convert to fraction form
    148,438.49/222,654.49 = 36,119.44/x
  3. Step 3: Cross multiply
    148,438.49x = 222,654.49 × 36,119.44
  4. Step 4: Simplify right side
    148,438.49x = 8,042,155,492.29
  5. Step 5: Solve for x
    x = 8,042,155,492.29/148,438.49
  6. Step 6: Final answer
    x = 54,178.37

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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.