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Finding the Fourth Proportional to 220,584.70, 330,877.05 and 149,725.90

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Solution

The fourth proportional to 220,584.70, 330,877.05 and 149,725.90 is: 224,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,584.70 : 330,877.05 = 149,725.90 : x
  2. Step 2: Convert to fraction form
    220,584.70/330,877.05 = 149,725.90/x
  3. Step 3: Cross multiply
    220,584.70x = 330,877.05 × 149,725.90
  4. Step 4: Simplify right side
    220,584.70x = 49,540,864,100.60
  5. Step 5: Solve for x
    x = 49,540,864,100.60/220,584.70
  6. Step 6: Final answer
    x = 224,588.85

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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.