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Finding the Fourth Proportional to 149,240.80, 223,838.92 and 54,448.73

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Solution

The fourth proportional to 149,240.80, 223,838.92 and 54,448.73 is: 81,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,240.80 : 223,838.92 = 54,448.73 : x
  2. Step 2: Convert to fraction form
    149,240.80/223,838.92 = 54,448.73/x
  3. Step 3: Cross multiply
    149,240.80x = 223,838.92 × 54,448.73
  4. Step 4: Simplify right side
    149,240.80x = 12,187,744,918.57
  5. Step 5: Solve for x
    x = 12,187,744,918.57/149,240.80
  6. Step 6: Final answer
    x = 81,664.97

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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.