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Finding the Fourth Proportional to 240,757.98, 332,156.79 and 155,921.82

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Solution

The fourth proportional to 240,757.98, 332,156.79 and 155,921.82 is: 215,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,757.98 : 332,156.79 = 155,921.82 : x
  2. Step 2: Convert to fraction form
    240,757.98/332,156.79 = 155,921.82/x
  3. Step 3: Cross multiply
    240,757.98x = 332,156.79 × 155,921.82
  4. Step 4: Simplify right side
    240,757.98x = 51,790,491,222.16
  5. Step 5: Solve for x
    x = 51,790,491,222.16/240,757.98
  6. Step 6: Final answer
    x = 215,114.33

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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.