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Finding the Fourth Proportional to 148,486.69, 222,675.70 and 53,694.14

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Solution

The fourth proportional to 148,486.69, 222,675.70 and 53,694.14 is: 80,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,486.69 : 222,675.70 = 53,694.14 : x
  2. Step 2: Convert to fraction form
    148,486.69/222,675.70 = 53,694.14/x
  3. Step 3: Cross multiply
    148,486.69x = 222,675.70 × 53,694.14
  4. Step 4: Simplify right side
    148,486.69x = 11,956,379,787.94
  5. Step 5: Solve for x
    x = 11,956,379,787.94/148,486.69
  6. Step 6: Final answer
    x = 80,521.56

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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.