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Finding the Fourth Proportional to 260,872.05, 359,836.16 and 179,160.87

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Solution

The fourth proportional to 260,872.05, 359,836.16 and 179,160.87 is: 247,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,872.05 : 359,836.16 = 179,160.87 : x
  2. Step 2: Convert to fraction form
    260,872.05/359,836.16 = 179,160.87/x
  3. Step 3: Cross multiply
    260,872.05x = 359,836.16 × 179,160.87
  4. Step 4: Simplify right side
    260,872.05x = 64,468,558,587.25
  5. Step 5: Solve for x
    x = 64,468,558,587.25/260,872.05
  6. Step 6: Final answer
    x = 247,127.12

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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.