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Finding the Fourth Proportional to 240,796.76, 332,302.02 and 145,285

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Solution

The fourth proportional to 240,796.76, 332,302.02 and 145,285 is: 200,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,796.76 : 332,302.02 = 145,285 : x
  2. Step 2: Convert to fraction form
    240,796.76/332,302.02 = 145,285/x
  3. Step 3: Cross multiply
    240,796.76x = 332,302.02 × 145,285
  4. Step 4: Simplify right side
    240,796.76x = 48,278,498,975.70
  5. Step 5: Solve for x
    x = 48,278,498,975.70/240,796.76
  6. Step 6: Final answer
    x = 200,494.80

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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.