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Finding the Fourth Proportional to 240,694.56, 332,029.80 and 155,664

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Solution

The fourth proportional to 240,694.56, 332,029.80 and 155,664 is: 214,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,694.56 : 332,029.80 = 155,664 : x
  2. Step 2: Convert to fraction form
    240,694.56/332,029.80 = 155,664/x
  3. Step 3: Cross multiply
    240,694.56x = 332,029.80 × 155,664
  4. Step 4: Simplify right side
    240,694.56x = 51,685,086,787.20
  5. Step 5: Solve for x
    x = 51,685,086,787.20/240,694.56
  6. Step 6: Final answer
    x = 214,733.09

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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.