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Finding the Fourth Proportional to 234,786.61, 352,166.95 and 171,671.41

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Solution

The fourth proportional to 234,786.61, 352,166.95 and 171,671.41 is: 257,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,786.61 : 352,166.95 = 171,671.41 : x
  2. Step 2: Convert to fraction form
    234,786.61/352,166.95 = 171,671.41/x
  3. Step 3: Cross multiply
    234,786.61x = 352,166.95 × 171,671.41
  4. Step 4: Simplify right side
    234,786.61x = 60,456,996,861.90
  5. Step 5: Solve for x
    x = 60,456,996,861.90/234,786.61
  6. Step 6: Final answer
    x = 257,497.64

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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.