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Finding the Fourth Proportional to 149,722.45, 224,747.70 and 93,625.90

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Solution

The fourth proportional to 149,722.45, 224,747.70 and 93,625.90 is: 140,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,722.45 : 224,747.70 = 93,625.90 : x
  2. Step 2: Convert to fraction form
    149,722.45/224,747.70 = 93,625.90/x
  3. Step 3: Cross multiply
    149,722.45x = 224,747.70 × 93,625.90
  4. Step 4: Simplify right side
    149,722.45x = 21,042,205,685.43
  5. Step 5: Solve for x
    x = 21,042,205,685.43/149,722.45
  6. Step 6: Final answer
    x = 140,541.42

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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.