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Finding the Fourth Proportional to 269,740, 372,241.20 and 150,508

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Solution

The fourth proportional to 269,740, 372,241.20 and 150,508 is: 207,701.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,740 : 372,241.20 = 150,508 : x
  2. Step 2: Convert to fraction form
    269,740/372,241.20 = 150,508/x
  3. Step 3: Cross multiply
    269,740x = 372,241.20 × 150,508
  4. Step 4: Simplify right side
    269,740x = 56,025,278,529.60
  5. Step 5: Solve for x
    x = 56,025,278,529.60/269,740
  6. Step 6: Final answer
    x = 207,701.04

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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.