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Finding the Fourth Proportional to 329,076.92, 493,513.20 and 118,687.52

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Solution

The fourth proportional to 329,076.92, 493,513.20 and 118,687.52 is: 177,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,076.92 : 493,513.20 = 118,687.52 : x
  2. Step 2: Convert to fraction form
    329,076.92/493,513.20 = 118,687.52/x
  3. Step 3: Cross multiply
    329,076.92x = 493,513.20 × 118,687.52
  4. Step 4: Simplify right side
    329,076.92x = 58,573,857,795.26
  5. Step 5: Solve for x
    x = 58,573,857,795.26/329,076.92
  6. Step 6: Final answer
    x = 177,994.43

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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.