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Finding the Fourth Proportional to 240,708.67, 332,189.37 and 145,213.31

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Solution

The fourth proportional to 240,708.67, 332,189.37 and 145,213.31 is: 200,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,708.67 : 332,189.37 = 145,213.31 : x
  2. Step 2: Convert to fraction form
    240,708.67/332,189.37 = 145,213.31/x
  3. Step 3: Cross multiply
    240,708.67x = 332,189.37 × 145,213.31
  4. Step 4: Simplify right side
    240,708.67x = 48,238,318,794.99
  5. Step 5: Solve for x
    x = 48,238,318,794.99/240,708.67
  6. Step 6: Final answer
    x = 200,401.25

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1.5x scale

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.