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Finding the Fourth Proportional to 272,161.50, 375,591.03 and 149,647.54

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Solution

The fourth proportional to 272,161.50, 375,591.03 and 149,647.54 is: 206,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,161.50 : 375,591.03 = 149,647.54 : x
  2. Step 2: Convert to fraction form
    272,161.50/375,591.03 = 149,647.54/x
  3. Step 3: Cross multiply
    272,161.50x = 375,591.03 × 149,647.54
  4. Step 4: Simplify right side
    272,161.50x = 56,206,271,059.37
  5. Step 5: Solve for x
    x = 56,206,271,059.37/272,161.50
  6. Step 6: Final answer
    x = 206,518.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.