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Finding the Fourth Proportional to 74,473.20, 111,674.70 and 27,054.85

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Solution

The fourth proportional to 74,473.20, 111,674.70 and 27,054.85 is: 40,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,473.20 : 111,674.70 = 27,054.85 : x
  2. Step 2: Convert to fraction form
    74,473.20/111,674.70 = 27,054.85/x
  3. Step 3: Cross multiply
    74,473.20x = 111,674.70 × 27,054.85
  4. Step 4: Simplify right side
    74,473.20x = 3,021,342,257.30
  5. Step 5: Solve for x
    x = 3,021,342,257.30/74,473.20
  6. Step 6: Final answer
    x = 40,569.52

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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.