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Finding the Fourth Proportional to 251,383.44, 346,915.92 and 136,669.92

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Solution

The fourth proportional to 251,383.44, 346,915.92 and 136,669.92 is: 188,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,383.44 : 346,915.92 = 136,669.92 : x
  2. Step 2: Convert to fraction form
    251,383.44/346,915.92 = 136,669.92/x
  3. Step 3: Cross multiply
    251,383.44x = 346,915.92 × 136,669.92
  4. Step 4: Simplify right side
    251,383.44x = 47,412,971,033.13
  5. Step 5: Solve for x
    x = 47,412,971,033.13/251,383.44
  6. Step 6: Final answer
    x = 188,608.17

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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.