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Finding the Fourth Proportional to 114,149.87, 171,295.94 and 54,991.55

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Solution

The fourth proportional to 114,149.87, 171,295.94 and 54,991.55 is: 82,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,149.87 : 171,295.94 = 54,991.55 : x
  2. Step 2: Convert to fraction form
    114,149.87/171,295.94 = 54,991.55/x
  3. Step 3: Cross multiply
    114,149.87x = 171,295.94 × 54,991.55
  4. Step 4: Simplify right side
    114,149.87x = 9,419,828,974.35
  5. Step 5: Solve for x
    x = 9,419,828,974.35/114,149.87
  6. Step 6: Final answer
    x = 82,521.59

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1.5x scale

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.