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Finding the Fourth Proportional to 275,088.24, 379,787.40 and 179,754.48

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Solution

The fourth proportional to 275,088.24, 379,787.40 and 179,754.48 is: 248,169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,088.24 : 379,787.40 = 179,754.48 : x
  2. Step 2: Convert to fraction form
    275,088.24/379,787.40 = 179,754.48/x
  3. Step 3: Cross multiply
    275,088.24x = 379,787.40 × 179,754.48
  4. Step 4: Simplify right side
    275,088.24x = 68,268,486,597.55
  5. Step 5: Solve for x
    x = 68,268,486,597.55/275,088.24
  6. Step 6: Final answer
    x = 248,169.41

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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.