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Finding the Fourth Proportional to 260,872.55, 359,836.85 and 179,161.37

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Solution

The fourth proportional to 260,872.55, 359,836.85 and 179,161.37 is: 247,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,872.55 : 359,836.85 = 179,161.37 : x
  2. Step 2: Convert to fraction form
    260,872.55/359,836.85 = 179,161.37/x
  3. Step 3: Cross multiply
    260,872.55x = 359,836.85 × 179,161.37
  4. Step 4: Simplify right side
    260,872.55x = 64,468,862,126.68
  5. Step 5: Solve for x
    x = 64,468,862,126.68/260,872.55
  6. Step 6: Final answer
    x = 247,127.81

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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.