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Finding the Fourth Proportional to 231,412.84, 347,144.78 and 73,604.39

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Solution

The fourth proportional to 231,412.84, 347,144.78 and 73,604.39 is: 110,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,412.84 : 347,144.78 = 73,604.39 : x
  2. Step 2: Convert to fraction form
    231,412.84/347,144.78 = 73,604.39/x
  3. Step 3: Cross multiply
    231,412.84x = 347,144.78 × 73,604.39
  4. Step 4: Simplify right side
    231,412.84x = 25,551,378,221.87
  5. Step 5: Solve for x
    x = 25,551,378,221.87/231,412.84
  6. Step 6: Final answer
    x = 110,414.70

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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.