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Finding the Fourth Proportional to 277,915.75, 383,375.79 and 169,053.37

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Solution

The fourth proportional to 277,915.75, 383,375.79 and 169,053.37 is: 233,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,915.75 : 383,375.79 = 169,053.37 : x
  2. Step 2: Convert to fraction form
    277,915.75/383,375.79 = 169,053.37/x
  3. Step 3: Cross multiply
    277,915.75x = 383,375.79 × 169,053.37
  4. Step 4: Simplify right side
    277,915.75x = 64,810,968,317.47
  5. Step 5: Solve for x
    x = 64,810,968,317.47/277,915.75
  6. Step 6: Final answer
    x = 233,203.66

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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.