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Finding the Fourth Proportional to 275,108.58, 379,510.11 and 179,671.14

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Solution

The fourth proportional to 275,108.58, 379,510.11 and 179,671.14 is: 247,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,108.58 : 379,510.11 = 179,671.14 : x
  2. Step 2: Convert to fraction form
    275,108.58/379,510.11 = 179,671.14/x
  3. Step 3: Cross multiply
    275,108.58x = 379,510.11 × 179,671.14
  4. Step 4: Simplify right side
    275,108.58x = 68,187,014,105.23
  5. Step 5: Solve for x
    x = 68,187,014,105.23/275,108.58
  6. Step 6: Final answer
    x = 247,854.92

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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.