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Finding the Fourth Proportional to 251,169.62, 346,612.69 and 136,447.35

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Solution

The fourth proportional to 251,169.62, 346,612.69 and 136,447.35 is: 188,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,169.62 : 346,612.69 = 136,447.35 : x
  2. Step 2: Convert to fraction form
    251,169.62/346,612.69 = 136,447.35/x
  3. Step 3: Cross multiply
    251,169.62x = 346,612.69 × 136,447.35
  4. Step 4: Simplify right side
    251,169.62x = 47,294,383,026.87
  5. Step 5: Solve for x
    x = 47,294,383,026.87/251,169.62
  6. Step 6: Final answer
    x = 188,296.59

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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.